A man travels in a bus which is moving from city a to b at a speed of 45 km/hr and returns at a speed of 38 km/hr. If he takes 2 hours in going and coming find the distance between city a and b
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Answer:
41.2 km
Step-by-step explanation:
Let distance = d km
t a to b = d/45 hr
t b to a = d/38 hr
total time = d/45 + d/38 = 2
38d + 45d = 2*45*38
83 d = 2*45*38
d = 41.2 km
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