SOLUTION: In 9 years, Kathy will be 3 times as old as she was 7 years ago. What is Kathy's present age?
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Question 864388: In 9 years, Kathy will be 3 times as old as she was 7 years ago. What is Kathy's present age?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = her age now
= her age in 9 years
= her age 7 years ago
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Her present age is 15
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check:
OK
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