document.write( "Question 940045: A hospital staff mixed a 75% disinfectant solution with a 25% disinfectant solution. How many liters of each were used to make 30 L of a 40% disinfectant solution? \n" ); document.write( "
Algebra.Com's Answer #572875 by mananth(16946)![]() ![]() You can put this solution on YOUR website! percent ---------------- quantity \n" ); document.write( "Disinfectant I 75.00% ---------------- x L \n" ); document.write( "Disinfectant II 25.00% ------ 30 - x L \n" ); document.write( "Mixture 45.00% ---------------- 30 \n" ); document.write( "Total 30 L \n" ); document.write( "75.00% x + 25.00% ( 30 - x ) = 45.00% * 30 \n" ); document.write( "75 x + 25 ( 30 - x ) = 1350 \n" ); document.write( "75 x + 750 - 25 x = 1350 \n" ); document.write( "75 x - 25 x = 1350 - -750 \n" ); document.write( "50 x = 600 \n" ); document.write( "/ 50 \n" ); document.write( " x = 12 L 75.00% Disinfectant I \n" ); document.write( " 18 L 25.00% Disinfectant II \n" ); document.write( " \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " \n" ); document.write( " |