Ali goes to his office from his house at a speed of 70 km/hr and returns at a speed of 23 km/hr. If he takes 52 hours in going and coming, what is the distance between his house and office?
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Answer:
900.21 km
Step-by-step explanation:
he travelled same distance both side
70×t = 23× (52-t)
93t = 1196 => t = 1196/93
required dis. = 70 × 1196/47 = 900.21 km
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