A man travels at the speed of 5 kmph towards the office and comes back at the speed of 8 kmph. if it takes him 13 hours for going to and coming back from office. how far is office from the home?
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Let the original distance and time be D & t
Case 1 - If man travels at 5kmph, he reaches late 20 min or 1/3 hr
We can write the same as
D5D5 = t + 1313 -----(1)
Case 2 - If man travels at 7.5kmph, he reaches early 12 min or 1/5 hr
We can write the same as
D7.5D7.5 = t - 1515 -----(2)
Solving both we get D = 8
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answer is 40KM , hope it helps pls mark as brainliest
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