Question

16

A pitcher throws 7 pitches in an inning. The speed of each pitch was (90, 85, 92, 95, 82, 92, 89).
If the pitcher wants his average speed to be 89 miles per hour, what does the speed of his next pitch need to be?

Answer 1

He will need to pitch 79

Explanation:

90 + 85 + 92 + 95 + 82 + 92 + 89 + 79 = 704

704/8 =79