Each marble bag sold by Rachel's Marble Company contains 3 purple marbles for every 2 green marbles. If a bag has 21 purple marbles, how many green marbles does it contain?…

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asked May 2, 2017 57.3k views

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Majid Alaeinia · Answer 1 · 2017-05-08T09:43:56+0000

The ratio is 3:2, purple :green
The bag has 21 purple so to get from 3 to 21 it is multiplied by 7; so we must also multiply the 2 by 7 to keep the ratio balanced.
21:14

Each marble bag sold by Rachel's Marble Company contains 3 purple marbles for every 2 green marbles. If a bag has 21 purple marbles, how many green marbles does it contain?…

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