John's present age to Andrew's present age is 3:1. In 6 years time, the ratio of John's age to Andrew's age will be 5:2. What is John's present age?
1 Answer
May 21, 2015
Call x the present age of John, and y, age of Andrew
We have 2 equations
(1) x = 3y
(2)
Present age of Andrew:
Present age of John:
