Question

A can do a work in 14 days and working together A and B can do thesame work in 20 days in what time can B alone do the work

Answer 1

Answer:

35 DAYS

Step-by-step explanation:

According to the question:

14A=1

10A+10B=1

So:

70A=5

70A+70B=7

70B=7–70A

=7–5

=2

70B=2

B=35 days, working alone

PLEASE MARK AS BRAINLIEST IF IT HELPS

Answer 2

Answer:

the answer

Step-by-step explanation:

According to the question:

A can do the work in 14 days: per day work done by A=1/14

A and B can do the work in 10 days: per day work done by A and B=1/10

Work done by B per day=1/10–1/14=7/70-5/70=(7–5)/70=2/70=1/35.

So, B takes 35 days.

Ans.: 35 days