Question

Two runners start 30 kilometers apart and run toward each other. They meet after 3 hours. One runner runs 2 kilometers per hour faster than the other runner. What rate do they run?

2 km/hr and 4 km/hr
3 km/hr and 5 km/hr
5 km/hr and 7 km/hr
4 km/hr and 6 km/hr

Answer 1

Answer: 4 km/hr and 6 km/hr

Explanation:

A runner = 4km/hr

A runner covered distance after 3 hours = 12 km

B runner = 6km/hr

B runnet covered distance after 3 hours = 18 km

Total distance = 12 + 18 = 30km