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?
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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) (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?
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g = 4j
g + j = 80
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Substitute for "g" and solve for "j"::
4j+j = 80
5j = 80
jason = 16 yrs old
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Cheers,
Stan H.
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