Question

A can do a work in 15 days B can do it in 20 days. In how many days both together can do the work?
35
81÷7
60÷7
61÷5​

Answer 1

Answer:

30

Step-by-step explanation:

Just write 30 because 15 +20 is 30

Answer 2

In 60 days both A and B together can do the work.