document.write( "Question 26176: Please Help
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document.write( "A forester mixes gasoline and oil to make 2 gallons of mixture for his two-cycle chain-saw engine. This mixture is 32 parts gas and 1 part two-cycle oil. How much gas must be added to bring the mix to 40 parts gas and 1 part oil. \r
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document.write( "Thanks \n" );
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Algebra.Com's Answer #14073 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Let number of gallons of pure gas be \"x\". \n" ); document.write( "Follow the gas: \n" ); document.write( "Start with (32/33)(2 gallons) \n" ); document.write( "Add x gallons \n" ); document.write( "End up with (40/41)(2+x)gallons \n" ); document.write( "EQUATION: \n" ); document.write( "(32/33)(2)+x=(40/41)(2+x) \n" ); document.write( "Multiply through by 33*41 to get: \n" ); document.write( " 2624 +1353x=2640+1320x \n" ); document.write( " 33x=16 \n" ); document.write( "x=16/33=0.4848 gallons \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |