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24 November, 11:21

Jerry has a total of 23 marbles. The marbles are either blue or green. He has three more blue marbles than green marbles. How many green marbles does he have?

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  1. 24 November, 11:38
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    X - green marbles

    X + 3 - blue marbles

    Total = 23

    X + X + 3 = 23

    2X + 3 = 23

    2X = 23 - 3

    2X = 20

    X = 10

    Jerry has 10 green marbles. He also has 13 blue Marbles. To give a total of 23.
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