SOLUTION: Mrs. Hill is 33 years older than her son. In 4 years she will be four times as old as her son. How old is each? I am not sure how to define all this to actually get the answer

Question 553499: Mrs. Hill is 33 years older than her son. In 4 years she will be four times as old as her son. How old is each?
I am not sure how to define all this to actually get the answer. what i have so far is x= son. so the equation I have so far is 33+x; 4+x+4x
Answer by nyc_function(2741) (Show Source): You can put this solution on YOUR website!
Let her son be s years old. She is s + 33 years old.
In four years time this becomes s + 4 and s + 37.
so, 4(s + 4) = s + 37
=> 4s + 16 = s + 37
=> 3s = 21
so, s = 7
i.e. their ages are 7 and 40.

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