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A and B working together can mow field in 56 days and with the help of C they could have mowed it in 42 days how long would c take by himself |
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Answer» A and B + c take 42 ⇒ 1 day = 1/42 If c does it by himself: ⇒ 1 day = 1/42 - 1/56 = 1/168 Number of days NEEDED for c to do it by himself = 168 days Answer: 168 days |
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