Question

Keisha and Ryan walk around a track. Keisha walks each lap in 5 minutes. Ryan walks each lap in 7 minutes. The two of them begin at the starting line at the same time. They walk until the meet again at the starting line. Answer the following questions.

Answer 1

See below

Explanation:

Keisha walks faster than Ryan so she will lap Ryan as a way of catching up to him.

LCM of 7 and 5 is 35 which is the time taken to meet up again at the starting line

Thus she will have walked 7 laps and he will have walked 5