SOLUTION: My father is 40 years older than me and is three times my age. How old am I?

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Question 1073535: My father is 40 years older than me and is three times my age. How old am I?
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
y, father
x, "I"

y=x%2B40%2Cy=3x

3x=x%2B40
2x=40
x=20

20 years of age

Answer by ikleyn(52788) About Me  (Show Source):
You can put this solution on YOUR website!
.
Let M be "my age".


Then the father's age is M + 40, according to the condition.

Also, the condition says 

M + 40 = 3M.

From this equation,  40 = 2M and M = 40%2F2 = 20.


Answer.  My age is 20 years.