document.write( "Question 656682: How many gallons of 15% alcohol solution and 60% alcohol solution must be mixed to get 9 gallons of 30% alcohol solution? \n" ); document.write( "

Algebra.Com's Answer #409598 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "How many gallons of 15% alcohol solution and 60% alcohol solution must be mixed 
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document.write( "to get 9 gallons of 30% alcohol solution?
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document.write( "Mixing...............
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document.write( " .60x + .15(9-x) = .30·9gal
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document.write( "       .45x = .15·9
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document.write( "          x = 3gal, amount of the 60% alcohol solution. 6gal of 15% alcohol solution
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document.write( "and...
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