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6 September, 23:43

The total age for amelia, bernard, and cindy is 10w years. amelia is 2w years old. bernard is as old as cindy. express cindy's age in terms of w. if w = 4, how old is cindy?

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  1. 7 September, 01:39
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    Amelia + Bernard + Cindy = 10w {the total of their ages is 10w}

    2w + ? + ? = 10w {Amelia is 2w years old, Bernard and Cindy are the same}

    ? + ? = 8w {subtracted 2w from each side}

    2? = 8w {added? and?}

    ? = 4w {divided each side by 2}

    Cindy is 4w

    If w = 4,

    4w

    = 4 (4) {substituted 4 in for w}

    = 16 {multiplied}

    If w = 4, then Cindy is 16
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