Question

A and B
together can
finish a piece of
work
In
12
days. I to n'alone can
finish
same
in 20 days, in
work
how
many
days
B cone Ear fina
sh
the
work it?​

Answer 1

Answer:

30 days is the answer.

Step-by-step explanation:

Lcm of 12 and 20 is 60

A and B one day work is 5

A one day work is 3

so, 5 - 3 = 2

= total work means LCM ÷ 2

so, 60 ÷ 2 = 30

therefore b alone can finish the work in 30 days.