Question 417314: Fidel is half the age of his brother. Five years ago, Fidel was one-third the age of his brother. Find the present ages of each. Answer by mananth(16946) (Show Source):
You can put this solution on YOUR website! brother =x
Fidel = (1/2) x
...
5 years ago
brother = x-5
Fidel = (1/2)x -5
...
(1/2)x -5 = 1/3*(x-5)
3((1/2)x-5)= x-5
3x/2-15= x-5
(3x/2)-x=15-5
x/2=10
x=20 brother's age
Fidels age = 10
