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1 December, 05:52

A bag contains 140 marbles, some white some blue. The ratio of white marbles to blue ones is 5:2. How many blue marbles are there?

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  1. 1 December, 06:18
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    40

    Step-by-step explanation:

    5 + 2 = 7

    140 div by 7 = 20

    2 times 20 = 40
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