Lena earns 54 dollars each week working part-time at a bookstore. She earns one additional dollar for each book that she sells. Let A be the amount (in dollars) that Lena earns in a week if she sells B books. Write an equation relating A to B. Then use this equation to find the amount of money Lena earns if she sells 14 books.

Question

Ruby Gillespie

Mathematics

15 May, 15:20

Lena earns 54 dollars each week working part-time at a bookstore. She earns one additional dollar for each book that she sells. Let A be the amount (in dollars) that Lena earns in a week if she sells B books. Write an equation relating A to B. Then use this equation to find the amount of money Lena earns if she sells 14 books.

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Wayne Fleming · Answer 1

Your equation would be A=B+54 because A is the total amount earned, which includes the 54 she automatically earns and the amount per book, B

You can then plug in 14 for B to solve for A

A=54+14

A=68 dollars