Shelly rode her mountain bike at a rate of 30 km/h for 2.5 h. josh

Shelly rode her mountain bike at a rate of 30 km/h for 2.5 h. Josh rode his mountain bike at a rate of 35 km/h for 1 h and then slowed down to 25 km/h for 1.5 h. a) Who travelled farther in 2.5 h? b) What is the difference in the distance travelled by the cyclists?