3. A car covers a certain distance in 40 minutes if it runs at 57 km/h. How
much time in minutes will it take to cover the same distance at a speed 76 km/h?
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Answer:
O.speed = 57km/ h
distance a car can cover in
(1h= 60 minutes = 57 km )
in 1 minute = 57/60 km
in 40 minutes =40× 57/60 = 38km
time it will take to cover the same distance
= 38/76= 0.5h = 30 minutes Answer
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