Question

Alex drives at an average speed that is

4/5 of the average speed that Roy's train travels.
Alex takes 15 minutes to travel 18 km in her car.
Roy travels for 1 hour and 45 minutes on his train.
How far does Roy travel to 2 dp?

Answer 1

Explanation:

Alex takes 15 min to travel 18km

=> 1 hour amd 45 min to travel 18 * 7 = 126km.

Hence Roy travel 126km * (5/4) = 157.50km.