Question

A does a piece of work in 3 days B and A together do the work in 2 days. how many days does will B take to do the work

Answer 1

Answer:

a can do in 3 days

so 1/3+1/x=2

find x

x+3/3x=2

x+3=6x

3=5x

x=3/5

this means that b does in 5/3 days(repricopal)

Step-by-step explanation: