Question

A and b together can finish a piecebof work in 15days if a alone can finish the same work in 23 days in how many days b alone can finish it

Answer 1

Answer:

Step-by-step explanation:

A's one day work = 1/23

Both A and B's one day work = 1/15

So,

B's one day work = 1/15 - 1/23

                             = 8/345

Hence, B can complete the same work in 345/8 days

I hopr this amy help you

Please mark the answer as brainlist

Answer 2

Answer:

av. a+b/2

15-- 23+b/2

15.2--23+b

30--23+b

b--30-23

b--7

here . is multiplication

Ans So b can do it in 7 hrs

I guess