A car travelling at 3/8th of its actual speed covers a distance of 65 km in 2 h.10min. Find the actual speed of the car.
80 km/h
Speed = Distance ÷ Time.
Time = 2 h 10 min = 2 + 10/60 = 13/6 h
Reduced speed = 65 ÷ 13/6 = 65 × 6/13 = 30 km/h
3/8 × Actual speed = 30
Actual speed = 30 × 8/3 = 80 km/h
Hence, 80 km/h.
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