SOLUTION: One-half of Peter’s age two years from now plus one-third of his age three years ago is 20. How old is Peter?

Question 1142155: One-half of Peter’s age two years from now plus one-third of his age three years ago is 20. How old is Peter?
Answer by ikleyn(52781) (Show Source): You can put this solution on YOUR website!
.

Let P be the Peter's age now.


Then the condition gives you this equation


     +  = 20.


To solve it, multiply both sides of the equation by 6. You will get


    3*(P+2) + 2*(P-3) = 120,

    3P + 6 + 2P - 6 = 120,

    5P              = 120

     P              = 120/5 = 24.


ANSWER.  Peter is 24 years old.

Check my answer on your own.

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