My Math Forum mixture problem

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 January 6th, 2012, 01:36 AM #1 Newbie   Joined: Jan 2012 Posts: 1 Thanks: 0 mixture problem For her birthday party Kristin mixed together 9 gal. of Brand A fruit punch and 6 gal. of apple juice. If Brand A contains 10% fruit juice then what percent of the final mixture is fruit juice? please explain how to solve it.
 January 6th, 2012, 01:51 AM #2 Senior Member     Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,211 Thanks: 521 Math Focus: Calculus/ODEs Re: mixture problem The final amount of mixture is (9 + 6) gal. = 15 gal. The 9 gal. of Brand A has 0.9 gal of fruit juice and the 6 gal. of pure apple juice is 6 gal. of fruit juice, for a total of (0.9 + 6) gal. = 6.9 gal. Thus the percentage of fruit juice in the final mixture is: $$$\frac{6.9}{15}\cdot100$$%=46%$

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