Question

A cyclist travels 2 miles in 10 minutes and then a further 7 miles in 20 minutes without stopping.

Calculate the cyclist's average speed in mph

Answer 1

18 mile per hour

Explanation:

average speed = total distance covered by total time taken

so, avg. speed = ( 2+ 7 ) / ( 20 + 10 )

= 9 / 30

= 3 / 10

= 0.3 miles per minute

= 18 mile per hour