SOLUTION: Anjali mixed together 5 gal. Of Brand A fruit drink and 10 gal. Of Brand B fruit drink which contains 55% fruit juice. Find the percent of fruit juice in Brand A if the mixture con

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Question 1044954: Anjali mixed together 5 gal. Of Brand A fruit drink and 10 gal. Of Brand B fruit drink which contains 55% fruit juice. Find the percent of fruit juice in Brand A if the mixture contained 40% fruit juice.
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +x+ = the percent of fruit juice in brand A
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+%28+x%2A5+%2B+.55%2A10+%29+%2F+%28+5+%2B+10+%29+=+.4+
+%28+x%2A5+%2B+5.5+%29+%2F+15+=+.4+
+5x+%2B+5.5+=+6+
+5x+=+.5+
+x+=+.1+
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10% of brand A fruit juice is needed