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a journey by car takes 48 minutes at 65 kilometre per hour how fast must the car go to finish the journey in 40 minutes
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A journey by car takes 48 minutes of 65 kmph. How fast must the car go to finish the journey in 40 mintes?
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ANSWER
Time tajen by car to complete journey = 48 min
speed of car = 65 km/h
we know
speed=
time
Distance
65=
(
60
48
)
D
D=65×
60
48
=52km
∴ speed of car to cover this distance in 40 min
speed=
(
60
40
)
52
=
40
52
×63=26×3
speed = 78 km/h
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Step-by-step explanation:
Speed=Time÷Distance
=48÷65
=
This is the formula to find speed . You can use the same formula for finding speed .
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