Question

A and B together can do a peice of work in 15 days. if A's one day work is 1*1/2 times the one day work ofB find in how many days can each do the work

Answer 1

Work by A in 1 days =x
Work by B in 1 days =2/3x.
A in 15 days = 15x and B =10x
so A can do work in 15 days and B will need 22.5 days to complete the work.