Question

David runs on a track that is 1/4 mile long he completes it in 1/20 of an hour

what is David's running speed?

a. 5ml/h

b. 1/80ml/h​

Answer 1

5mile per hour

Explanation:

Step one:

given data

distance= 1/4mile

time taken= 1/20 hour

Step two:

Required

speed

we know that speed is

speed= distance/time

substituting

speed= 1/4/1/20

speed=1/4*20/1

speeed=20/4

speed=5mile/hour

The option a sis correct, the speed is 5mile per hour