Question

Tom earn $41 per week working part time at a bookstore. He makes one dollar more for each book that he sells. The amount, A ( in dollars) , that Tom earns in a week if he sells b books is given by following function.A(b)=41+bHow much does Tom earn in a week if he sells 28 books?

Answer 1

A(b) = 41 + b

b is the number of books that Tom sells

If he sells 28 books: b = 28

A(28) = 41 + 28 = 69

Tom earns $ 69