a car covers a certain distance in 40 minutes if it runs at 54km/hr.How much time will take to cover the same distance at a speed of 45km/hr?
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Answered by
5
Step-by-step explanation:
Given
time = 40 min= 40/60 hours
= 2/3 hrs
speed = 54 km/hr
we know
distance = speed× time
distance = 54×2/3 = 36 Km
now we know distance and new speed is 45Km/hr
time = distance/speed
= 36/45 hours
= 4/5 hours
= 4/5×60 minutes
= 48 minutes
Answered by
2
Answer:
the answer is 9/8 hours
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