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A mixture is 25% red paint, 30% yellow paint, and 45%water. If 4 quarts of red paint are added to 20 quarts of the mixture, what is the percentage of red paint in the new mixture?

 Feb 15, 2021
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In the initial 20 quarts of mixed paint there is    25% red     sooooo   20 qrts * .25 = 5 quarts of red

 

now add 4 quarts of red     now there is 9 quarts of red in   20 + 4   quarts

9/24 * 100% = 37.5% red

 Feb 15, 2021

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