Question

A and B can finish a work in 20 days. A alone can do 45 of the work in 12 days. In
how many days. B alone can do it?​

Answer 1

Answer:

11 days

Step-by-step explanation:

A+B= 20

45% of works is done by A

And another 55% is done by B

B alone can do work in

55/100× 20 = 11

A works 45% in 12 days

B works another 55% work in 11 days