Question

A cyclist travels 10 km from home to the park.

She leaves home at 12:20 and arrives at the park at 12:50.
What is her average speed in km/h?

Answer 1

20 km/h

Explanation:

the total time is 0.5 hours as the cyclist travels for 30 minutes

the formula for speed is distance travelled divided by time taken which gives us 20 km/hr