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Mindy is the head cheerleader on her suad. She is making banners to place throughout the school for the first football game of the season. She used ⅔ cup of glitter to make 1 cup of glittery paint. Using this same proportion, how many cups of glitter will Mindy use to make 9 cups of glittery paint?

1 Answer

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Answer:


6\:\text{cups}

Explanation:

Since the proportion is maintained, we can set up the following proportion:


(2/3)/(1)=(x)/(9), where
x is the amount of glitter, in cups, Mindy will use to make 9 cups of glittery paint.

Cross-multiply to get:


1x=9\cdot (2)/(3),\\x=9\cdot (2)/(3)=\boxed{6\:\text{cups}}

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