Ratio word problem total cost of magazine and number of customers who bought the magazine












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During January of this year, Utopia Magazine sales reached a total of £ 488800. The ratio of normal price customer to discounted price customer was 5:2. How many customers in total bought this magazine?



I have tired to work this out by multiplying the total with each ratio and dividing by 7 but i dont seem to get the answer correct, can any one help with this problem?










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    0












    $begingroup$


    enter image description here



    During January of this year, Utopia Magazine sales reached a total of £ 488800. The ratio of normal price customer to discounted price customer was 5:2. How many customers in total bought this magazine?



    I have tired to work this out by multiplying the total with each ratio and dividing by 7 but i dont seem to get the answer correct, can any one help with this problem?










    share|cite|improve this question









    $endgroup$















      0












      0








      0





      $begingroup$


      enter image description here



      During January of this year, Utopia Magazine sales reached a total of £ 488800. The ratio of normal price customer to discounted price customer was 5:2. How many customers in total bought this magazine?



      I have tired to work this out by multiplying the total with each ratio and dividing by 7 but i dont seem to get the answer correct, can any one help with this problem?










      share|cite|improve this question









      $endgroup$




      enter image description here



      During January of this year, Utopia Magazine sales reached a total of £ 488800. The ratio of normal price customer to discounted price customer was 5:2. How many customers in total bought this magazine?



      I have tired to work this out by multiplying the total with each ratio and dividing by 7 but i dont seem to get the answer correct, can any one help with this problem?







      algebra-precalculus






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      asked Dec 19 '18 at 23:00









      italyitaly

      519414




      519414






















          1 Answer
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          1












          $begingroup$

          Let $n$ be the number of normal price customers and $d$ be the number of discounted price customers. Then you have that
          $$2n=5d$$
          and
          $$2.8n+2.1d=488,800$$
          since $2.1=2.8-0.25cdot 2.8$. Can you solve this system of equations for $n$ and $d$, and then calculate the total number of customers $n+d$?






          share|cite|improve this answer









          $endgroup$













          • $begingroup$
            why does 2n=5d? That doesnt make sense to me. the number of discount customers is not equal to the number of Normal price customers
            $endgroup$
            – italy
            Dec 19 '18 at 23:05








          • 1




            $begingroup$
            The ratio of $n$ to $d$ is $5:2$, so there are $5/2$ times as many $n$ as there are $d$, and $n=(5/2)d$, or $2n=5d$.
            $endgroup$
            – Frpzzd
            Dec 19 '18 at 23:06










          • $begingroup$
            oh i see, thank you!
            $endgroup$
            – italy
            Dec 19 '18 at 23:07










          • $begingroup$
            @italy No problem! If this is helpful, don't forget to $checkmark$ and $uparrow$! :D
            $endgroup$
            – Frpzzd
            Dec 19 '18 at 23:08












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          1 Answer
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          1 Answer
          1






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          active

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          active

          oldest

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          1












          $begingroup$

          Let $n$ be the number of normal price customers and $d$ be the number of discounted price customers. Then you have that
          $$2n=5d$$
          and
          $$2.8n+2.1d=488,800$$
          since $2.1=2.8-0.25cdot 2.8$. Can you solve this system of equations for $n$ and $d$, and then calculate the total number of customers $n+d$?






          share|cite|improve this answer









          $endgroup$













          • $begingroup$
            why does 2n=5d? That doesnt make sense to me. the number of discount customers is not equal to the number of Normal price customers
            $endgroup$
            – italy
            Dec 19 '18 at 23:05








          • 1




            $begingroup$
            The ratio of $n$ to $d$ is $5:2$, so there are $5/2$ times as many $n$ as there are $d$, and $n=(5/2)d$, or $2n=5d$.
            $endgroup$
            – Frpzzd
            Dec 19 '18 at 23:06










          • $begingroup$
            oh i see, thank you!
            $endgroup$
            – italy
            Dec 19 '18 at 23:07










          • $begingroup$
            @italy No problem! If this is helpful, don't forget to $checkmark$ and $uparrow$! :D
            $endgroup$
            – Frpzzd
            Dec 19 '18 at 23:08
















          1












          $begingroup$

          Let $n$ be the number of normal price customers and $d$ be the number of discounted price customers. Then you have that
          $$2n=5d$$
          and
          $$2.8n+2.1d=488,800$$
          since $2.1=2.8-0.25cdot 2.8$. Can you solve this system of equations for $n$ and $d$, and then calculate the total number of customers $n+d$?






          share|cite|improve this answer









          $endgroup$













          • $begingroup$
            why does 2n=5d? That doesnt make sense to me. the number of discount customers is not equal to the number of Normal price customers
            $endgroup$
            – italy
            Dec 19 '18 at 23:05








          • 1




            $begingroup$
            The ratio of $n$ to $d$ is $5:2$, so there are $5/2$ times as many $n$ as there are $d$, and $n=(5/2)d$, or $2n=5d$.
            $endgroup$
            – Frpzzd
            Dec 19 '18 at 23:06










          • $begingroup$
            oh i see, thank you!
            $endgroup$
            – italy
            Dec 19 '18 at 23:07










          • $begingroup$
            @italy No problem! If this is helpful, don't forget to $checkmark$ and $uparrow$! :D
            $endgroup$
            – Frpzzd
            Dec 19 '18 at 23:08














          1












          1








          1





          $begingroup$

          Let $n$ be the number of normal price customers and $d$ be the number of discounted price customers. Then you have that
          $$2n=5d$$
          and
          $$2.8n+2.1d=488,800$$
          since $2.1=2.8-0.25cdot 2.8$. Can you solve this system of equations for $n$ and $d$, and then calculate the total number of customers $n+d$?






          share|cite|improve this answer









          $endgroup$



          Let $n$ be the number of normal price customers and $d$ be the number of discounted price customers. Then you have that
          $$2n=5d$$
          and
          $$2.8n+2.1d=488,800$$
          since $2.1=2.8-0.25cdot 2.8$. Can you solve this system of equations for $n$ and $d$, and then calculate the total number of customers $n+d$?







          share|cite|improve this answer












          share|cite|improve this answer



          share|cite|improve this answer










          answered Dec 19 '18 at 23:02









          FrpzzdFrpzzd

          23k841110




          23k841110












          • $begingroup$
            why does 2n=5d? That doesnt make sense to me. the number of discount customers is not equal to the number of Normal price customers
            $endgroup$
            – italy
            Dec 19 '18 at 23:05








          • 1




            $begingroup$
            The ratio of $n$ to $d$ is $5:2$, so there are $5/2$ times as many $n$ as there are $d$, and $n=(5/2)d$, or $2n=5d$.
            $endgroup$
            – Frpzzd
            Dec 19 '18 at 23:06










          • $begingroup$
            oh i see, thank you!
            $endgroup$
            – italy
            Dec 19 '18 at 23:07










          • $begingroup$
            @italy No problem! If this is helpful, don't forget to $checkmark$ and $uparrow$! :D
            $endgroup$
            – Frpzzd
            Dec 19 '18 at 23:08


















          • $begingroup$
            why does 2n=5d? That doesnt make sense to me. the number of discount customers is not equal to the number of Normal price customers
            $endgroup$
            – italy
            Dec 19 '18 at 23:05








          • 1




            $begingroup$
            The ratio of $n$ to $d$ is $5:2$, so there are $5/2$ times as many $n$ as there are $d$, and $n=(5/2)d$, or $2n=5d$.
            $endgroup$
            – Frpzzd
            Dec 19 '18 at 23:06










          • $begingroup$
            oh i see, thank you!
            $endgroup$
            – italy
            Dec 19 '18 at 23:07










          • $begingroup$
            @italy No problem! If this is helpful, don't forget to $checkmark$ and $uparrow$! :D
            $endgroup$
            – Frpzzd
            Dec 19 '18 at 23:08
















          $begingroup$
          why does 2n=5d? That doesnt make sense to me. the number of discount customers is not equal to the number of Normal price customers
          $endgroup$
          – italy
          Dec 19 '18 at 23:05






          $begingroup$
          why does 2n=5d? That doesnt make sense to me. the number of discount customers is not equal to the number of Normal price customers
          $endgroup$
          – italy
          Dec 19 '18 at 23:05






          1




          1




          $begingroup$
          The ratio of $n$ to $d$ is $5:2$, so there are $5/2$ times as many $n$ as there are $d$, and $n=(5/2)d$, or $2n=5d$.
          $endgroup$
          – Frpzzd
          Dec 19 '18 at 23:06




          $begingroup$
          The ratio of $n$ to $d$ is $5:2$, so there are $5/2$ times as many $n$ as there are $d$, and $n=(5/2)d$, or $2n=5d$.
          $endgroup$
          – Frpzzd
          Dec 19 '18 at 23:06












          $begingroup$
          oh i see, thank you!
          $endgroup$
          – italy
          Dec 19 '18 at 23:07




          $begingroup$
          oh i see, thank you!
          $endgroup$
          – italy
          Dec 19 '18 at 23:07












          $begingroup$
          @italy No problem! If this is helpful, don't forget to $checkmark$ and $uparrow$! :D
          $endgroup$
          – Frpzzd
          Dec 19 '18 at 23:08




          $begingroup$
          @italy No problem! If this is helpful, don't forget to $checkmark$ and $uparrow$! :D
          $endgroup$
          – Frpzzd
          Dec 19 '18 at 23:08


















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