Question

A and B can do
a piece
of work in
12 days
B and C
can do
it in 15 days
while Card A can finish it in
20 days
how many days will
A,B,C finish
it
working together
in how
many days
will each of
them
finish its work
alone
-​

Answer 1

Step-by-step explanation:

1. A=32 days
2. B=27 days
3. C=15 day

Answer 2

Answer:

17 because 3 is extra and add