document.write( "Question 995551: Beau wishes to strengthen a mixture from 10% alcohol to 30% alcohol.How much pure alcohol should be added to 7 L of 10% mixture. \n" ); document.write( "
Algebra.Com's Answer #614288 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Beau wishes to strengthen a mixture from 10% alcohol to 30% alcohol.How much pure alcohol should be added to 7 L of 10% mixture. \n" ); document.write( "------------- \n" ); document.write( "Equation: \n" ); document.write( "alch + alch = alch \n" ); document.write( "------ \n" ); document.write( "0.10*7 + 1*x = 0.30(7+x) \n" ); document.write( "------ \n" ); document.write( "10*7 + 100x = 30*7 + 30x \n" ); document.write( "------- \n" ); document.write( "70x = 20*7 \n" ); document.write( "---- \n" ); document.write( "x = 2 L (amt of pure alcohol to add) \n" ); document.write( "---------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "------------- \n" ); document.write( " |