SOLUTION: Samuel is 2/3 as old as his brother. In five years, he will be 3/4 as old as his brother will be. Find their present ages.

Algebra ->  Customizable Word Problem Solvers  -> Age -> SOLUTION: Samuel is 2/3 as old as his brother. In five years, he will be 3/4 as old as his brother will be. Find their present ages.      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 757170: Samuel is 2/3 as old as his brother. In five years, he will be 3/4 as old as his brother will be. Find their present ages.
Answer by sachi(548) About Me  (Show Source):
You can put this solution on YOUR website!
let samuel's brother is x yrs
then samuel is 2x/3 yrs
after 5 yrs samuel will be 2x/3+5 & his brother will be x+5
he will be 3/4 as old as his brother will be
so 2x/3+5=3(x+5)/4
or 8x+60=9x+45 multiplying 12 both sides
or x=15
so samuel's brother is 15 yrs & samuel 2*15/3=10 yrs