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28 September, 12:12

There are 27 red or blue marvels in a bag. The number of red marbles is 5 less than 3 time the number of blue marbles. How many red marbles are in the bag? How many blue marbles are in the bag?

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  1. 28 September, 12:30
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    let R = red

    let B = blue

    R+B = 27

    R=3B-5

    3B-5+B=27

    3B+B=27+5

    4B=32

    4B/4 = 32/4

    B=8

    R = 3*8-5

    R=24-5

    R=19
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