Question

Three men A, B and C can complete a job in 8, 12 and 16 days respectively.
A and B work together for 3 days; then B leaves and C joins. In how many
days, can A and C finish the work?

Answer 1

$.16.46. { { { { {yy \frac{y = \times 53 - 2 \times 2 \times 2 = 056}{?} \times \frac{?}{?} }^{?} }^{?} }^{?} }^{?} }^{?}$

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