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Time, Distance and Speed

A person walks at a speed of 5 km/h for 1.5 hours and then runs at a speed of 10 km/h for 1 hour. What is the total distance covered?

Answer: C. 17.5 km
Distance walked = 5 km/h x 1.5 hours = 7.5 km; Distance run = 10 km/h x 1 hour = 10 km; Total distance = 7.5 km + 10 km = 17.5 km.
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