Question

P and Q can do a piece of work in 20 days and 30 days
respectively. They started the work together and Q left after some
days of work and P finished the remaining work in 5 days. After
how many days from the start did Q leave?​

Answer 1

Answer:

Step-by-step explanation:

hope it helps

Answer 2

Answer:

Step-by-step explanation:

15 days