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Paul and peter can do a piece of work in 60 days, while paul can do it alone in 80 days. how many days will peter take to complete the work alone? |
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Answer» Paul and peter TOGETHER can do it in 60 DAYS, 1 day work = 1/60 Paul can do it in 80 days, 1 day work = 1/80 1 day work of peter = 1/60 - 1/80 = (4-3) / 240 = 1 / 240 Peter will take 240 days
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