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14 February, 00:44

Andre came up with the following puzzle. "I am three years younger than my brother, and I am 2 years older than my sister. My mom's age is one less than three times my brother's age. When you add all our ages, you get 87. What are our ages?"

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  1. 14 February, 01:07
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    Sister - 11 Years Old

    Andre - 13 Years Old

    Brother - 16 Years Old

    Step-by-step explanation:

    Multiply 16 times 3, minus 1 = 47

    Then add 11, 13, 16 and 47 up

    You'll end up with 87 as your answer
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