document.write( "Question 816625: a pharmacist wishes to mix a solution that is 2% Minoxidil. She has on hand 70 ml of a 1% solution and wishes to add some 4% solution to obtain the desired 2% solution. how much 4% solution should she add?
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Algebra.Com's Answer #491616 by mananth(16946)![]() ![]() You can put this solution on YOUR website! --- percent ---------------- Amount \n" ); document.write( "Minoxidil I 1 ---------------- 70 ml \n" ); document.write( "Minoxidil II 4 ---------------- x ml \n" ); document.write( "Mixture 2 ---------------- 70 + x ml \n" ); document.write( " \n" ); document.write( "1 * 70 + 4 x = 2 ( 70 + x ) \n" ); document.write( "70 + 4 x = 140 + 2 x \n" ); document.write( "4 x -2 x = -70 + 140 \n" ); document.write( "2 x = 70 \n" ); document.write( "/ 2 \n" ); document.write( "x = 35 ml Minoxidil II \n" ); document.write( " \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " \n" ); document.write( " |