Christopher spent a total of 52.50 at a bookstore he purchased a calendar for 9 and three books that cost the same

Cost of each book = 14.5

Step-by-step explanation:

Given:

Total amount spend = 52.50

Cost of calendar = 9

Number of books = 3

Assume;

Cost of each book = a

Find:

Cost of each book

Computation:

Total amount spend  = Cost of calendar + Number of books(Cost of each book)

52.50 = 9 + 3(a)

Cost of each book = 14.5

-14 is the answer

hope this : ))

2x^2+5x+17

your welcome. : )