Question

9. A and B together can finish a piece of work
in 12 days. If 'A alone can finish the
same work in 20 days. In how many day
B alone can finish it ?​

Answer 1

Answer:

Step-by-step explanation:

Plz refer to the pic....

Plz mark me the brainliest...

Answer 2

Answer:

Step-by-step explanation:

A+B=1/12. [we take 1/12 because we calculating per one day ]

B=1/12-A

A=1/20

B=1/12-1/20

B=5-3/60

B=30

B=2/60

B=1/30