Question

A and B can do some work together in 12 days while A alone can do that work in 30 days. in how many days will B alone complete that work​

Answer 1

Answer:

A does work =30days

in one day a can do=1/30

both Aand B can do work =12 days

in one day's A and Bcan do=1/12

B does work in one day =(1/12)-(1/30)

Step-by-step explanation:

=5-2/60

3/60

1/20

B CAN DO IN 20 days