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A custom paint mixes 5 parts of blue with 3 parts of red to make purple. How many quarts of red are needed, if 7 quarts of blue are used?

A custom paint mixes 5 parts of blue with 3 parts of red to make purple. How many quarts of red are needed, if 7 quarts of blue are used?
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A custom paint mixes 5 parts of blue with 3 parts of red to make purple. How many quarts of red are needed, if 7 quarts of blue are used?

User Markbernard
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7.6k points

1 Answer

9 votes
4.2 quarts of red are needed
User Surajeet Bharati
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8.4k points
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