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13 December, 02:18

3:7ratio of blue and red chairs if there are 91 red chairs how many blue are there?

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  1. 13 December, 02:48
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    There are 39 blue chairs.

    You can find this by setting up a proportional equation:

    3/7 = x/91

    Solve for x by cross-multiplying:

    7x = 91*3

    7x = 273

    7x / 7 = 273 / 7

    x = 39

    So, there are 39 blue chairs if there are 91 red chairs.
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