at the speed of 48 km/ hour , a car can cover a distance in 8 hours. find the increase in speed so that the car covers distance in 6 hours.
Answers
Answered by
13
total distance = 48*8
= 384 km
time required = 6 hr
new speed = 384 by 6
= 64 kmph
increase in speed = 64 - 48
= 16 kmph
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Answered by
4
Answer:
16 km/h
.... distance=time×speed
48×8=384 km
now distance 384km
time. 6 hours
speed= distance÷ time
384÷6=64 km/h
he needs to increase 64--48= 16 km/h
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