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Word problem in Algebra about ages

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3 years ago, Liz's age was 1/3 of her mother's age. Now, 7 years later, her age will be 1/2 of her mother's age. How old are Liz and her mother?

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The expert examines word problems in algebra about age.

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1. 3 years ago, Liz's age was 1/3 of her mother's age. Now, 7 years later, her age will be 1/2 of her mother's age. How old are Liz and her mother?
Solution: Suppose Liz's ...

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