Question

A and B together can do a work in 8 days .where A alone can do the work in 12 days,B alone can do the work is

Answer 1

Answer:

24

Step-by-step explanation:

Let's assume that B can do the work in "x" days. They work alone or together, the productivity is the same, so

Productivity of A is (1/12) , B is (1/x) , together (1/8)

thus 1/12 + 1/x = 1/8

1/x = 1/8 - 1/12

1/x =3/24 - 2/24

1/x = 1/24

x = 24

Answer 2

Answer:

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