Question

6. A and B together can do a piece of work in
12 days, B alone can finish it in 30 days. In
how many dayscan A alone finish the work?​

Answer 1

Answer:

20 Days

Step-by-step explanation:

I hope it will be help full for you thanks

Answer 2

let A do the work in x days

total work = work of A+ work of B

i.e

1/x+1/30=1/12

1/x=1/12-1/30

1/x=10-4/120

1/x=6/120

1/x=1/20

so x= 20

so A does the work in 20 days