I can finish a work in 15 days at 8 hours a day. You can finish it in 6 is to 2/3 days at 9 hours a day. Find how many days we can finish it together, if we work 10 hours a day.
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The answer has to be 4 days. Together we complete (1/120+1/60 = 1/40) of work each hour. It will take 40 hrs to finish the work
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Answered by
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Answer:
The answer has to be 4 days. Together we complete (1/120+1/60 = 1/40) of work each hour. It will take 40 hrs to finish the work.
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