If 9 men can do a piece of work in 7 days, working 10 hours a day; how many hours a day must 6 ...

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SOLVING MATH PROBLEMS

1 year ago

If 9 men can do a piece of work in 7 days, working 10 hours a day; how many hours a day must 6 ...

If 9 men can do a piece of work in 7 days, working 10 hours a day; how many hours a day must 6 ...