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6 October, 08:58

Paula has a dog that weighs 3 times as much as Carla's. The total weight of the dogs is 48 lb how much does paula dog weigh

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  1. 6 October, 09:09
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    Paula's Dog = 3 * Carla's Dog

    A) PD + CD = 48

    B) PD - 3 * CD = 0

    Multiplying A) by - 1

    A) - PD - CD = - 48 then adding to B)

    B) PD - 3*CD = 0

    -4 * CD = - 48

    Carla's dog weighs 12 pounds

    Paula's dog weighs 36 pounds
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