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Mathematics, 22.07.2021 02:00 nauticatyson9

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

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