SOLUTION: Jason's grandfather is four times older than he is. The sum of Jason's age and his grandfather's age is 80. How old is Jason?

Algebra ->  Customizable Word Problem Solvers  -> Age -> SOLUTION: Jason's grandfather is four times older than he is. The sum of Jason's age and his grandfather's age is 80. How old is Jason?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 1021958: Jason's grandfather is four times older than he is. The sum of Jason's age and his grandfather's age is 80. How old is Jason?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Jason's grandfather is four times older than he is. The sum of Jason's age and his grandfather's age is 80. How old is Jason?
-----
g = 4j
g + j = 80
----
Substitute for "g" and solve for "j"::
4j+j = 80
5j = 80
jason = 16 yrs old
-----------------------
Cheers,
Stan H.
------------