a car travelling at 60 km/h can cover a certain distance in 2hrs 20min if the speed was 10km/h more how long would it take to cover same distance
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Distance covered by the car = speed*time = 60 * 7/3 = 140 km
Now the speed of car is 10 km/h more = 60+10 = 70km/h
Distance is same = 140 km
Now time = distance/speed = 140/70 = 2 hours
Now the speed of car is 10 km/h more = 60+10 = 70km/h
Distance is same = 140 km
Now time = distance/speed = 140/70 = 2 hours
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