a man moves from A to B at the rate of 4 km an hour. had he moved at the rate of 3/9 km an hour came he would have taken 3 hours more to move that distance find the distance between a and b
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ANSWER :
x=132
EXPLANATION :
Let distance between AB=x
t1 = x/4
t2 = 3x/11
According to the question
t1 = t2 - 3
=> x/4 = 3x - 33/11
=> 11x = 12x - 132
=> X = 132
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