SOLUTION: At present, Pedro's age is 25 percent (or 1/4) of his father's age. Twenty years from now Pedro's age will be 50% of his father. How old are they?
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Question 911501: At present, Pedro's age is 25 percent (or 1/4) of his father's age. Twenty years from now Pedro's age will be 50% of his father. How old are they? Answer by lwsshak3(11628) (Show Source):
You can put this solution on YOUR website! At present, Pedro's age is 25 percent (or 1/4) of his father's age. Twenty years from now Pedro's age will be 50% of his father. How old are they?
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let x=Pedro's present age
4x=His father's present age
..
20 yrs from now:
x+20=Pedro's age
4x+20=His father's age
x+20=50%(4x+20)
x+20=2x+10
x=10
4x=40
Pedro's present age=10
His father's present age=40
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