Question

Jane is working on her tennis backhand in a gymnasium. If she hits the ball and it travels 172 ft. in 4 sec., what is its rate of speed?

A. 17.2 ft. per sec.
B. 43 ft. per sec.
C. 59 ft. per sec.
D. 172 ft. per sec.

Answer 1

B
Speed= distance/ time
172/4= 43

Answer 2

I should be B because all you got to do is just multiply 43 x 4 ( Hope its right! )

Explanation: