2 buildings have 60 floors altogether. Building A has 3 floors for every 2 floors of building B. How many floors does each building have?

Answer 1

A+B = 60 (1)
A/3 = B/2
A = 3B/2 (2)
combine (1) and (2)
3B/2+B = 60
3B/2+2B/2 = 60
5B/2 = 60
B = 24
A = 36