document.write( "Question 758194: A nurse has a solution that is 25% alcohol and another that is 50% alcohol. How much of each must he use to make 45 liters of a solution that is 40% alcohol? \n" ); document.write( "
Algebra.Com's Answer #461276 by Alan3354(69443)\"\" \"About 
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A nurse has a solution that is 25% alcohol and another that is 50% alcohol. How much of each must he use to make 45 liters of a solution that is 40% alcohol?
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\n" ); document.write( "t = amount of 25%
\n" ); document.write( "f = amount of 50%
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\n" ); document.write( "t + f = 45
\n" ); document.write( "25t + 50f = 45*40
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