Mathematics, 27.02.2021 19:00 promiselee200

5 men or 7 women or 9 girls can do a piece of work in 15 days. How many days will 1 men 1 women and 1 girl take to do the same
work?
In cummor camn food was available for 120 children at the rate of

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5 men or 7 women or 9 girls can do a piece of work in 15 days. How many days will 1 men 1 women and...