document.write( "Question 607580: How many gallons each of 25% and 35 % alcohol should be mixed to obtain 20 gallons of 32% alcohol?\r \n" );
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document.write( "Here's what I think it is. I need to know if I understand this. \n" );
document.write( "35%= x 25% = 20-x\r \n" );
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document.write( ".25(20-x) + .35x = .32(20) \n" );
document.write( "5 -.25x + .35x = 6.4 \n" );
document.write( "5 + .1x = 6.5 \n" );
document.write( ".1x = 1.4 \n" );
document.write( "x = 14 gallons of 35% and 6 gallons of 25% equals 20 gallons of 32%.\r \n" );
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document.write( "Am I understanding how to do this correctly?\r \n" );
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document.write( "Thanks \n" );
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