Question

3. 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 days 'B' alone can finish it?​

Answer 1

Answer:

Hey mate here is the answer

Step-by-step explanation:

hope it helps you ☺️☺️

Answer 2

Step-by-step explanation:

step1-

A and b finish work =12days.

1days =1/12works.

A is complete work =20days

20days=1/20

B will finish work=

1/12-1/20=5-3/60=1/30days

B complete work alone= 1/1/30=30daysAnswer.

2nd method use formula=

(a×b/b-x)=

12×20/20-12=240/8=30days Answer