Question

A can do a piece of work in 14
days. Other persor: B is 20%
more efficient than A. In how
many days wili A and B togeth-
er complete the same piece of
work?
(1) 9
days (2) 10
days
(3) 12 days
(4) 12

​

Answer 1

Answer:

12

Step-by-step explanation:

first divide and then join to the both