Question

A takes 5 hours more than that taken by Bto complete your work if working together they can complete a work in 6 hours.find the number of hours taken by b to complete the work.

Answer 1

a=6.

d=5

A2=a+d

6=5+1

=6

b=a2-a

=6-5

=1

Answer 2

Answer:

let a take x hours to complete the work

let b take y hours to complete work

as per 1 conditions

x-5=y ____1

x -y=5

as per 2 conditions

1/x+1/y=1/6

1/x+1/x-5=1/6___from 1

now you can solve