document.write( "Question 617422: How many milliliters of 70% alcohol can be made from 500 ml of 91% alcohol?
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document.write( "How much water will be needed for the previous problem?
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Algebra.Com's Answer #388320 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! How many milliliters of 70% alcohol can be made from 500 ml of 91% alcohol? \n" ); document.write( "How much water will be needed for the previous problem? \n" ); document.write( "----- \n" ); document.write( "water + water = water \n" ); document.write( "---- \n" ); document.write( "0.09*500 + x = 0.30(500+x) \n" ); document.write( "9*500 + 100x = 30*500 + 30x \n" ); document.write( "70x = 21*500 \n" ); document.write( "x = 3*50 \n" ); document.write( "x = 150 ml of water (amt. of water needed) \n" ); document.write( "============================================== \n" ); document.write( "cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================ \n" ); document.write( " |