Question

If a boy rides his bicycle 100 meters in 20 seconds to the end of the street how fast did he ride his bike

Answer 1

He rode his bike at a speed of 5 meters per second, or 11.1847 miles per hour.

Answer 2

Equation: $v _{av} = \frac{d}{t}$
v _{av} = average velocity
d = displacement
t = time

100/20 = 5m/s