SOLUTION: Word problem: Jon's father is 3 times as old as Jon. Four years ago he was 4 times older. How old is Jon? Create an algebraic equation and solve by using the distributive law.

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Question 330344: Word problem: Jon's father is 3 times as old as Jon. Four years ago he was 4 times older. How old is Jon? Create an algebraic equation and solve by using the distributive law.
(I know distributive law, I cannot figure out how to set problem up to solve it)
Thanks!
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
"Jon's father is 3 times as old as Jon" ___ f = 3j

"Four years ago he was 4 times older" ___ f - 4 = 4(j - 4)

substituting ___ (3j) - 4 = 4(j - 4)