SOLUTION: a man who is 42 years old has a son of 12 years old. in how many years will the father be twice as old as his son

Question 642866: a man who is 42 years old has a son of 12 years old. in how many years will the father be twice as old as his son
Found 2 solutions by T-Maree, MathTherapy:
Answer by T-Maree(17) (Show Source): You can put this solution on YOUR website!
18 years.
12 + 18 = 30
42 + 18 = 60
60/2 = 30
Answer by MathTherapy(10552) (Show Source): You can put this solution on YOUR website!

a man who is 42 years old has a son of 12 years old. in how many years will the father be twice as old as his son

Let the amount of years be Y

Then: 42 + Y = 2(12 + Y)

42 + Y = 24 + 2Y

42 - 24 = Y

Y, or amount of years it'll take for the man to be twice his son's age =

You can do the check!!

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