Question

if a bus cover 120 km in 3 hour how much time would it take cover 150 km at same speed?
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Answer 1

Answer:

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Step-by-step explanation:

3 hours and 45 minutes.

Speed = distance/time, so speed = 120/3 = 40kmh.

At 40kmh, it takes 4 hours to cover 160km and 3 hours to cover 120km. That means that it takes 15 minutes to cover 10km (because 15 is a qaurter of 60 and 10 is a quarter of 40).

Take 10km from 160 and you get 150, so to get the time to cover 150km you must subtract 15 minutes from 4 hours, leaving you with 3 hours and 45 minutes.