A automobile travelling at its real speed reaches 42 kilometres in 1 hour 40 minutes and 48 seconds. Determine the car's real speed.
A. 17 6/7 km/hr
B. 25 km/hr
C. 30 km/hr
D. 35 km/hr
Answer:D
A automobile travelling at its real speed reaches 42 kilometres in 1 hour 40 minutes and 48 seconds. Determine the car's real speed.
A. 17 6/7 km/hr B. 25 km/hr C. 30 km/hr D. 35 km/hr