SOLUTION: A mixture of 12 ounces of sugar and fruit-syrup is 40 percent sugar, where all of the measurements are by weight. How many ounces of fruit-syrup must be added to the mixture to pro

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Question 628101: A mixture of 12 ounces of sugar and fruit-syrup is 40 percent sugar, where all of the measurements are by weight. How many ounces of fruit-syrup must be added to the mixture to produce a new mixture that is only 25 percent sugar
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +x+ = ounces of fruit syrup to be added
Ounces of sugar in 12 ounce mixture is
+.4%2A12+=+4.8+ ounces
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+4.8+%2F+%28+12+%2B+x+%29+=+.25+
+4.8+=+.25%2A%28+12+%2B+x+%29+
+4.8+=+3+%2B+.25x+
+.25x+=+1.8+
+x+=+7.2+
7.2 ounces of fruit syrup need to be added