A man travelled a distance of 61 km in 9 hours. He travelled partly on foot at 4 km/hr. and partly on bicycle at 9 km/hr. What is the distance travelled on foot ?
1
12km
2
14km
3
16km
4
18km
A man travelled a distance of 61 km in 9 hours. He travelled partly on foot at 4 km/hr. and partly on bicycle at 9 km/hr. What is the distance travelled on foot ?