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17 January, 16:35

A bag contains green marbles and blue marbles, 68 in total. The number of green marbles is 2 less than 4 times the number of blue marbles. How many green marbles are there?

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  1. 17 January, 16:46
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    Green Marbles = G = 54

    Step-by-step explanation:

    Total Marbles = 68

    Suppose

    Blue Marbles = B

    Green Marbles = G

    According to given information

    G = 4B - 2

    We know

    G + B = 68

    Put value of G in this equation

    4B - 2 + B = 68

    5B = 70

    B = 14

    Put value of B in "G + B = 68"

    G + 14 = 68

    G = 68 - 14

    Green Marbles = G = 54
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