document.write( "Question 850346:
\n" ); document.write( "A chemist mixed 3 liters of 30% sulfuric acid with a sample of 80% sulfuric acid to obtain a sample of 60% sulfuric acid. How much of the 80% sulfuric acid was used?
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Algebra.Com's Answer #512113 by checkley79(3341)\"\" \"About 
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SORRY FOR THE MISTAKE. ONE TOO MANY 0'S.
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\n" ); document.write( ".80X+.30*3=.60(X+3)
\n" ); document.write( ".80X+.9=.60X+1.8
\n" ); document.write( ".80X-.60X=1.8-.9
\n" ); document.write( ".20X=.9
\n" ); document.write( "X=.9/.20
\n" ); document.write( "X=4.5 LITERS OF THE 80% WERE USED.
\n" ); document.write( "PROOF:
\n" ); document.write( ".80*4.5+.30*3=.60(4.5+3)
\n" ); document.write( "3.6+.9=.60*7.5
\n" ); document.write( "4.5=4.5
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