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26 September, 19:04

Th ratio of blue marbles to white marbles in a bag is 4 to 5. At this rate, how many blue marbles are there if there are 15 white marbles

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  1. 26 September, 19:05
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    There are 12 blue marbles.

    Step-by-step explanation:

    4/5 = x/15

    Multiply both sides by 15.

    60/5 = x

    Simplify.

    x = 12
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