The sum of John's and Liza's age is 21. If John is three years younger than Liza, how old are John and Liza? Express your answer as an ordered pair (x, y) where John is x and Liza is y. - QAmmunity.org

The sum of John's and Liza's age is 21. If John is three years younger than Liza, how old are John and Liza? Express your answer as an ordered pair (x, y) where John is x and Liza is y.

asked Apr 1, 2021 50.7k views

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