Part A
Jalen orders books from an online company. The company has a special deal on their books as shown.

$7.99 plus 2.50 per book
The equation: 7.99 + 2.50b = 82.99 represents the number of books, b, Jalen orders.
How many books does Jalen order? Please show how you found the answer. Thanks.

Please ASAP I need this to be explained