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NY,NY

  • 5 years ago

Mary is three years older than her twin brothers. Next year, the sum of the ages of the three will be exactly 102. How old are they now? NOTE: Please could you post the solution along with a "show work" thing, so i can do it by myself next time. Thanks

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  1. anonymous
    • 5 years ago
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    Twin brothers are the same age so they equal 2 x. Mary is three years older than them now so her age is x+3. Next year all three of them will be 1 year older so that is +3 (+1 for each of them). So you would set this up 2x+(x+3)+3=102. By solving x you find out how old the twin brothers are.

  2. NY,NY
    • 5 years ago
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    thanks your good!

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