document.write( "Question 876463: You have 20% saline and 50% saline, how much of each solution should be mixed together to get 60mL of 28% saline?
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Algebra.Com's Answer #528785 by mananth(16946)![]() ![]() You can put this solution on YOUR website! percent ---------------- quantity \n" ); document.write( "Saline I 20.00% ---------------- x ml \n" ); document.write( "saline II 50.00% ------ 60 - x ml \n" ); document.write( "Mixture 28.00% ---------------- 60 \n" ); document.write( "Total 60 ml \n" ); document.write( "20.00% x + 50.00% ( 60 - x ) = 28.00% * 60 \n" ); document.write( "20 x + 50 ( 60 - x ) = 1680 \n" ); document.write( "20 x + 3000 - 50 x = 1680 \n" ); document.write( "20 x - 50 x = 1680 - -3000 \n" ); document.write( "-30 x = -1320 \n" ); document.write( "/ -30 \n" ); document.write( " x = 44 ml 20.00% Saline I \n" ); document.write( " 16 ml 50.00% saline II \n" ); document.write( " \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |