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11-01-2017
Mathematics

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melissa has a pencil pouch with 4 blue pens, 2 red pens, 3 green pens, 10 black pens, and 2 purple pens in it. If the ratio of green pens to total pens is 1:9, how many more pens are in her pouch?

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asflnwa asflnwa

11-01-2017

7 pens because 3:21 therefore 21/3 is 7

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