Mathematics

Mathematics, 23.07.2019 16:30, tre9990

In a box of marbles, the ratio of red marbles to total marbles is 2: 5. the ratio of green marbles to total marbles is 3: 10. if the marbles that are neither red nor green are blue, how many blue marbles are in the box if there are 40 marbles in the box?

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In a box of marbles, the ratio of red marbles to total marbles is 2: 5. the ratio of green marbles t...

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