document.write( "Question 824208: Supply: 50mL of 15% and 85%
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document.write( "Order: 40%\r
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document.write( "what is the ml 85%
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document.write( "what is the ml 15% \n" );
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Algebra.Com's Answer #496170 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Supply: 50mL of 15% and 85% \n" ); document.write( "Order: 40% \n" ); document.write( "------ \n" ); document.write( "Equation: \n" ); document.write( "0.15x + 0.85(50-x) = 0.40*50 \n" ); document.write( "----- \n" ); document.write( "15x + 85*50 - 85x = 40*50 \n" ); document.write( "-70x = -45*50 \n" ); document.write( "x = (5/7)45 \n" ); document.write( "x = 32.14 mL (amt. of 15% solution needed) \n" ); document.write( "50-x = 17.86 mL (amt. 85% solution needed) \n" ); document.write( "============================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "----------- \n" ); document.write( " |