Question

A cyclist rides her bike at a rate of 21 kilometers per hour. What is this rate in kilometers per minute? How many kilometers will the cyclist travel in 20 mins. Don’t round your answers

Answer 1

0.35 km per minute, 7 km in 20 minutes

Explanation:

1 hr = 60 minutes

21 km per 60 minutes = 21/60 = 0.35 km per minute

In 20 minutes: 0.35*20 = 7 km