document.write( "Question 492605: Kiera wants to make a solution that is 60% Alcohol. How many liters of a 70% Alcohol solution should Kiera add to 12 liters of a 45% Alcohol solution to achieve her goal? \n" ); document.write( "
Algebra.Com's Answer #335150 by mananth(16946)\"\" \"About 
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---------------- percent ---------------- quantity
\n" ); document.write( "Alcohol I 45 ---------------- 12 liters
\n" ); document.write( "Alcohol II 70 ---------------- x liters
\n" ); document.write( "Mixture 60 ---------------- 12 + x liters
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\n" ); document.write( "45 * 12 + 70 x = 60 ( 12 + x )
\n" ); document.write( "540 + 70 x = 720 + 60 x
\n" ); document.write( "70 x + -60 x = 720 - -540
\n" ); document.write( "10 x = 180
\n" ); document.write( "/ 10
\n" ); document.write( "x = 18
\n" ); document.write( " 18 liters of 70 % Alcohol
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