document.write( "Question 253008: can someone help me? this is my question:
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document.write( "how many gallons of a mixture containing 80% alcohol should be added to 6 gallons of 25% solution to give 30% solution? \n" );
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Algebra.Com's Answer #185210 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! how many gallons of a mixture containing 80% alcohol should be added to 6 gallons of 25% solution to give 30% solution? \n" ); document.write( ": \n" ); document.write( "Let x = amt of 80% alcohol required to accomplish this \n" ); document.write( ": \n" ); document.write( "A simple \"amt of alcohol equation\" \n" ); document.write( ".80x + .25(6) = .30(x+6) \n" ); document.write( ": \n" ); document.write( ".8x + 1.5 = .3x + 1.8 \n" ); document.write( ": \n" ); document.write( ".8x - .3x = 1.8 - 1.5 \n" ); document.write( ": \n" ); document.write( ".5x = .3 \n" ); document.write( "x = \n" ); document.write( "x = .6 gal of 80% solution required \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Check solution in original equation \n" ); document.write( ".8(.6) + .25(6) = .3(.6 + 6) \n" ); document.write( ".48 + 1.5 = .3(6.6) \n" ); document.write( " |