document.write( "Question 1122086: Jacob asked you to make 9.2 gal. of fruit punch that contains 40% fruit juice by mixing together some amount of Brand A fruit punch and some amount of Brand B fruit punch. Brand A contains 10% fruit juice and Brand B contains 50% fruit juice. How much of each do you need? \n" ); document.write( "
Algebra.Com's Answer #738135 by josmiceli(19441)\"\" \"About 
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Let \"+x+\" = gallons of brand A punch
\n" ); document.write( "\"+9.2+-+x+\" = gallons of brand B punch
\n" ); document.write( "———————-
\n" ); document.write( "\"+.1x+\" = gallons of fruit juice in brand A punch
\n" ); document.write( "\"+.5%2A%28+9.2+-+x+%29+\" = gallons of fruit juice in brand B punch
\n" ); document.write( "———————-
\n" ); document.write( "\"+%28+.1x+%2B+.5%2A%28+9.2+-+x+%29+%29+%2F+9.2+=+.4+\"
\n" ); document.write( "\"+.1x+%2B+4.6+-+.5x+=+.4%2A9.2+\"
\n" ); document.write( "\"+-.4x+=+3.68+-+4.6+%7D%0D%0A%7B%7B%7B+-.4x+=+-.92+\"
\n" ); document.write( "\"+x+=+2.3+\"
\n" ); document.write( "And
\n" ); document.write( "\"+9.2+-+x+=+9.2+-+2.3+\"
\n" ); document.write( "\"+9.2+-+x+=+6.9+\"
\n" ); document.write( "You need 2.3 gallons of A and 6.9 gallons of B
\n" ); document.write( " \n" ); document.write( "
\n" );