Question

A can do a piece of work in 25 days and B can finish the same work in 20 days. They worked togetjer for 5 days and then A leaves. B alone will finish the remaining work in​

Answer 1

Answer:

11 days

Step-by-step explanation:

A =25

B= 20

so total work =lcm of A,B=100

A's 1 day work=100/25=4

B's one day work=100/20=5

Both togather 5days work=(5+4)*5=45

remaining work=100-45=55

so B will complete it in 55/5=11.