Question

Mai earns 51 dollars per week working part-time at a book store. She makes one dollar more fire each book that she sells. The amount, A (in dollars), that Mai earns in a week if she sells b books it's given by the following function A(b)=51+b how much does Mai earn in a week if she sells 38 books?

Answer 1

if she sells 38 books we get that

`A(38)=51+38=89`

she earns $89