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15 September, 03:52

samantha has an older brother. right now, he is twice her age. but 8 years ago, her brother was 3 times her age. how old is each person now

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  1. 15 September, 06:43
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    Equations:

    b=2s

    b-8 = 3 (s-8)

    Substitute for B and solve for S

    2s-8 = 3s-24

    s=16 (Samanthas age now)

    b=2s = 32 years (brothers age now)
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