Question

Derek swam 5 laps in 1/4
of an hour. Find the laps he swims per hour.

Answer 1

Derek swims 20 laps per hour.

Step-by-step explanation

If Derek swims 5 laps in 1/4 of an hour, he swims 4 times of 5 laps in an hour. This is because 4 times 1/4 is one, or an hour. 5 times 4 is 20.

Answer 2

He swims 20 laps per hour