SOLUTION: John is 20 years older than Lizzy. In 8 years, the sum of their age will be 78. How old are they now?

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Question 1108096: John is 20 years older than Lizzy. In 8 years, the sum of their age will be 78. How old are they now?
Answer by Alan3354(69443) About Me  (Show Source):
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John is 20 years older than Lizzy. In 8 years, the sum of their age will be 78. How old are they now?
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The sum of their ages is 62.
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J - L = 20
J + L = 62
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