document.write( "Question 498929: A chemist combines HCl acid solutions of 40%, 50%, and 25% to get 200 liters of a 32% HCl solution. If the chemist uses twice as much of the 25% HCl solution as of the 40% HCl solution, find how many liters of each kind he uses. \n" ); document.write( "
Algebra.Com's Answer #337246 by chessace(471)\"\" \"About 
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\n" ); document.write( "a+b+c=200
\n" ); document.write( ".4a+.5b+.25c=.32*200
\n" ); document.write( "c=2a
\n" ); document.write( "Compute:
\n" ); document.write( "b=200-3a
\n" ); document.write( ".4a+.5(200-3a)+.25*2a=.32*200
\n" ); document.write( "(.4-1.5+.5)a=200(.32-.5)
\n" ); document.write( "-.6a=200*(-.18)
\n" ); document.write( "a=200*.3= 60 liters
\n" ); document.write( "c= 120 liters
\n" ); document.write( "b= 20 liters\r
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