Question

john rode his bicycle as fast as possible to his friends. after recording the distance (in miles) to his friends house, what other measurement does john need to determine his average speed? a acceleration b direction c time d velocity

Explanation:

The formula for average speed is $v = \frac{d}{t}$, where $v$ is average speed, $d$ is distance, and $t$ is time. Given distance, time is needed to find average speed.

Answer:

C. time