SOLUTION: Josh collected 12 more than 4 times the number of baseball cards Sarah collected . If Josh collected 72 baseball cards, how many did Sarah collect?

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Question 78487: Josh collected 12 more than 4 times the number of baseball cards Sarah collected . If Josh collected 72 baseball cards, how many did Sarah collect?
Answer by rmromero(383) About Me  (Show Source):
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Josh collected 12 more than 4 times the number of baseball cards Sarah collected . If Josh collected 72 baseball cards, how many did Sarah collect?





What is asked in the problem?

    How many cards did Sarah collect?





Given:

Josh collected 12 more than 4 times the number 

of baseball cards Sarah collected

Josh collected 72 cards





Representation:

Let x be the number of cards Sarah collected





Equation:

    4x + 12 = 72

 4x + 12 - 12 = 72 - 12

           4x = 60

            x = 15         ====> number of baseball cards Sarah collected