SOLUTION: Three times parents age of a father is equal to eight time age of his son. Eight years hence the father will twice as old as his son at that time. what are the paresant ages???

Algebra ->  Customizable Word Problem Solvers  -> Age -> SOLUTION: Three times parents age of a father is equal to eight time age of his son. Eight years hence the father will twice as old as his son at that time. what are the paresant ages???       Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 676544: Three times parents age of a father is equal to eight time age of his son. Eight years hence the father will twice as old as his son at that time. what are the paresant ages???
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Three times parents age of a father is equal to eight time age of his son. Eight years hence the father will twice as old as his son at that time. what are the paresant ages???
------------------------
Equation:
3f = 8s
f+8 = 2(s+8)
-----
Solve for "s" and substitute to solve for "f":
s = (3/8)f
------
Sustituting you get:
f + 8 = 2((3/8)f+8)
f + 8 = (1/2)f + 16
-----
(1/2)f = 8
f = 16 yrs
Note: That age for the father doesn't make much sense.
-----
Cheers,
Stan H.