Mathematics, 06.02.2021 05:00 dmsmith192

The ratio of blue marbles to red marbles in a box is 2 to 7. If there are 15 more red marbles than blue marbles, how many blue marbles are in the box?

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The ratio of blue marbles to red marbles in a box is 2 to 7. If there are 15 more red marbles than...

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