If A can type 10 pages in 5 minutes and B can type 5 pages in 10 minutes then working together, How many pages can they type in 30 minutes?

A types pages in 05 Minutes = 10
How many pages will A type in 30 Minutes = 10/05*30=60
B types pages in 10 Minutes= 05
How many pages will B types in 30 Minutes= 5/10*30=15