The distance between two places is 120 km . Acar travelling at a certain speed can covers the distance in 2hours 30 minute. By how many km/h should the speed of the car be increased for it to take 30 minutes less to cover the distance?
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Answer:
Distance = Rate x Time
From the question we know distance and time.
2:30 = 2.5 hours
D / T = R; therefore; 120 / 2.5 = original rate (speed) = OR
…30 minutes less than 2:30 = 2:00 hours = 2.0 hours
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