It took a farmer 9 hours to travel 61 kilometres. He travelled at a speed of 4 km/hr on foot and 9 km/hr on his bicycle. On foot, the distance travelled is:
A. 14 km
B. 15 km
C. 16 km
D. 17 km
Answer:C
It took a farmer 9 hours to travel 61 kilometres. He travelled at a speed of 4 km/hr on foot and 9 km/hr on his bicycle. On foot, the distance travelled is:
A. 14 km B. 15 km C. 16 km D. 17 km