Question

a and b together can do a piece of work in 12 days, and A alone can do it in 17 days, B alone can along the same piece of work in​

Answer 1

Answer:

40.8

Step-by-step explanation:

A alone = 17 days, A in 1 day = 1/17 of work

A&B together = 12 days , A&B in 1 day = 1/12 of work

B = X parts of work, B in 1 day =1/x

1/17 + 1/x = 1/12

1/x = 1/12-1/17

1/x = 5/204

x= 204/5 = 40.8 days