document.write( "Question 62496: One type of gasohol is 10% alcohol and another type is 35% alcohol. How much of each type must be mixed to obtain 400 gallons of a 25% alcohol mixture? \n" ); document.write( "
Algebra.Com's Answer #43240 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! One type of gasohol is 10% alcohol and another type is 35% alcohol. How much of each type must be mixed to obtain 400 gallons of a 25% alcohol mixture? \n" ); document.write( "------------- \n" ); document.write( "Let amount of 10% solution be \"x\" gallons; this has 0.10x gals. of alcohol \n" ); document.write( "---------- \n" ); document.write( "Amount of 35% solution is \"400-x\" gallons; this has 0.35(400-x)=140-0.35x gals \n" ); document.write( "------------------ \n" ); document.write( "EQUATION: \n" ); document.write( "alcohol + alcohol = 25%(400) gallons \n" ); document.write( "0.10x+140-0.35x=100 \n" ); document.write( "-0.25x=-40 \n" ); document.write( "x=160 gallons (amount of 10% solution) \n" ); document.write( "400-x=240 gallons (amount of 35% solution) \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |