Question

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 answer that correctly calculates the average. A. $32 + $45 + $39 ÷ 3

B. ($32 + $45 + $39) ÷ 3
C. 3 × $32 + $45 + $39
D. $32 ÷ 3 + $45 ÷ 3 + $39

Answer 1

I think the correct answer among the choices presented above is option B. Average is the sum of all the data divided the number of data added. From the statement, we have 3 prices to be added and divided by 3. Therefore, the average is calculated as

($32 + $45 + $39) ÷ 3