Question

Please explain me the derivation of the formulas of time and work

Answer 1

List of Time and Work Formulas

1. If A can do a piece of work in n days,

2. If A does 1/n work in a day,

3. If M1 men can do W1 work in D1 days working H1 hours per day and M2 men can do W2 work in D2 days working H2 hours per day (where all men work at the same rate of work),

4. If A can do a piece of work in p days and B can do the same in q days,

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