SOLUTION: Mary is 24 years older than her son John. The sum of their ages is 40. How old is John?

Question 278544: Mary is 24 years older than her son John. The sum of their ages is 40. How old is John?

Found 2 solutions by rfer, Alan3354:
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
40-24=16 yrs
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Mary is 24 years older than her son John. The sum of their ages is 40. How old is John?
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M = J + 24
M + J = 40
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Sub for M in 2nd equ
(J+24) + J = 40
2J + 24 = 40
2J = 16
J = 8

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