Math, asked by ramnarayanbishn978, 1 year ago

8 men working for 9h a day complete a piece of work in 20 days.in how many days can 7 men working for 10 h a day to complete the same piece of work

Answers

Answered by endless99

1

8x9x20=1440 person-hours to complete the work

7x10=70 person-hours a day

1440/70=20.57

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