A person travelled a distance of 50 km in 8 h. He covered a part of the distance on foot at the rate of 4 km/h and a part on a bicycle at the rate of 10 km/h. How much distance did he travel on foot ?

A person travelled a distance of 50 km in 8 h. He covered a part of th

1.	A person travelled a distance of 50 km in 8 h. He covered a part of the distance on foot at the rate of 4 km/h and a part on a bicycle at the rate of 10 km/h. How much distance did he travel on foot ?
A.	10 km
B.	20 km
C.	30 km
D.	40 km
Answer» C. 30 km

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