car travelling at a speed of 52 kilometre per hour take 6 hour to reach its destination what should be the speed of a car if the journey is to be covered in 4 hours
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Speed = 78 km/h
Step-by-step explanation:
GIVEN
Speed = 52 km/h
Time = 6 hours
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To find the speed to covered the journey by car in 4 hours we need to find the distance
We know that,
Speed = Distance / Time
Distance = Speed × Time
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Distance = 52 × 6
Distance = 312
Distance = 312 km
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To covered the journey in 4 hr
Speed = Distance / Time
Speed = 312 / 4
Speed = 78 km/h
Speed = 78 km/h
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