Question

The sum of A and B is 40 years and five years hence A will be three times as old as B. Find their present ages. (Please answer it fast!!!!!)

Answer 1

let ages of A and B be a and b resp.
a+b=40.......(1)
five years hence
ages will become a+5,b+5 resp
a+5=3(b+5)
a-3b=10.....(2)
solve the 2 eqns
u will get values of a and b