document.write( "Question 743540: \r
\n" ); document.write( "\n" ); document.write( "How many liters each of a 40% acid solution and a 65% acid solution must be used to produce 60 liters of a 45% acid solution.
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Algebra.Com's Answer #452927 by checkley79(3341)\"\" \"About 
You can put this solution on YOUR website!
.65X+.40(60-X)=.45*60
\n" ); document.write( ".65X+24-.40X=27
\n" ); document.write( ".25X=27-24
\n" ); document.write( ".25X=3
\n" ); document.write( "X=3/.25
\n" ); document.write( "X=12 LITERS OF 65% SOLUTION IS USED.
\n" ); document.write( "60-12=48 LITERS OF 40% SOLUTION IS USED.
\n" ); document.write( "PROOF:
\n" ); document.write( ".65*12+.40*48=.45*60
\n" ); document.write( "7.8+19.2=27
\n" ); document.write( "27=27
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