a car covers 140 km distance with speed of 6 km/hr and the remaining distance with speed of 10km/hr. if it's reverses it's speed , it covers 8 km more in the same time. find the time taken by the car to cover 140 km and average speed of car.
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Answer:
speed= distance/ time
16 = 140/x
16x= 140
x= 140/16
x=35/4
average speed= 6+10/2
x = 8 km/ hr
Answered by
1
speed= distance/ time
16 = 140/x
16x= 140
x= 140/16
x=35/4
average speed= 6+10/2
x = 8 km/ hr
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