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)\"\" \"About 
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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
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\n" ); document.write( "m.ananth@hotmail.ca
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