SOLUTION: Hi Ben earns 20c for every card he sells. When he sells a whole box of 12 cards he earns an extra $2. How many cards does he need to sell to earn $332. Thanks

Question 1188925: Hi
Ben earns 20c for every card he sells. When he sells a whole box of 12 cards he earns an extra $2.
How many cards does he need to sell to earn $332.
Thanks
Answer by ikleyn(52835) (Show Source): You can put this solution on YOUR website!
.
Ben earns 20c for every card he sells. When he sells a whole box of 12 cards he earns an extra $2.
How many cards does he need to sell to earn $332.
~~~~~~~~~~~~~~

According to the problem, Ben earns 12*20 cents PLUS 2 dollars = 4.40 dollars for every box of 12 cards sold.


So we divide  $332  by  $4.40  to get   = 75.4545...


We round this value to the closest integer number, which is less than 75.4545..


This value is 75, which means that Ben should sell 75 boxes.


He will earn then  $4.40*75 = $330.


So, Ben should sell 75 boxes of 12 cards each  PLUS  10 additional separate cards.


The total number of card sold is then  75*12 + 10 = 910.     ANSWER

Solved and thoroughly explained.

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