Question

An Olympian swam the 200-meter freestyle at a speed of 1.8 meters per second. An Olympic runner ran the 200-meter dash in 21.3 seconds. How much faster was the runner’s speed than the swimmer’s speed to the nearest tenth of a meter per second?

A 0.1 meters per second
B 0.4 meters per second
C 7.6 meters per second
D 9.4 meters per second

Answer 1

C

Explanation:

I took the test

Answer 2

Speed = Distance/Time

Runner Speed = 200/21.3 = 9.4 m/s

Swimmer Speed = 1.8 m/s

9.4 - 1.8 = 7.6 m/s

C