Will bought 3 college textbooks. one cost $32, one cost $45, and one cost $39. what is the average price of his books? choose the statement that correctly calculates the average. a. 3 × $32 + $45 + $39 b. $32 + $45 + $39 ÷ 3 c. ($32 + $45 + $39) ÷ 3 d. $32 ÷ 3 + $45 ÷ 3 + $39