If p p p men can complete a work in q q q days and q q q women can complete the same work in p p p days, then 20 men and 16 women working together can...

Question

If pp men can complete a work in qq days and qq women can complete the same work in pp days, then 20 men and 16 women working together can finish the work in 531353\frac{1}{3} days. Find the number of days taken by 15 men and 12 women working together to complete the same work.

Options

A.

7119 days71\frac{1}{9} \text{ days}

B.

6719 days67\frac{1}{9} \text{ days}

C.

7919 days79\frac{1}{9} \text{ days}

D.

6219 days62\frac{1}{9} \text{ days}

work and timeefficiencymen and womenalgebra

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