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10 January, 08:34

Mary has some trading cards. Julie has 3 times as many trading cards as Mary. They have 36 trading cards in all. Which of these equations represents their trading card collection?

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  1. 10 January, 09:57
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    the equation that is equal to X+3X=36

    Step-by-step explanation:

    since they have 36 all together, we know thier total is 36. since it says that julie has three times mary, i used x to represent mary. so julie is 3x. now we know the equation x (Marie) + 3x (JUlie) = 36 (total)
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