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19 May, 21:21

Paul is 12 years older than Colin. Caroline is 3 years younger than Colin. If the total of their ages is 87, how old is the youngest of them?

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  1. 19 May, 21:36
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    23

    Step-by-step explanation:

    87=x + (x+12) + (x-3)

    87=3x+9

    3x=78

    x=26

    This is Colin's age. Caroline is 3 years younger than Colin, so she is the youngest, and we need to find her age. Subtract 3 from 26, and you get your final answer, 23.
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