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4 October, 19:58

Keith had 694 green, yellow and blue marbles. He had 3 times as many blue marbles as yellow marbles. there were 90fewer green than blue marbles. How many blue marbles did Keith have?

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  1. 4 October, 20:23
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    336 blue marbles

    Step-by-step explanation:

    694 = x+3x+3x-90

    694=7x-90

    784=7x

    x=112

    3x=336

    3x-90=246
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