document.write( "Question 1098457: Anna-Maria has added 4 quarts of an alcohol in water solution to 1 quart of water and her ending product is a 36% alcohol in water solution. What was the concentration of the 4 quarts of alcohol solution that was added? \n" ); document.write( "
Algebra.Com's Answer #712807 by josmiceli(19441)\"\" \"About 
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Let \"+x+\" = the quarts of pure alcohol
\n" ); document.write( "in the 4 quarts she added
\n" ); document.write( "\"+4+-+x+\" = the amount of water
\n" ); document.write( "in the 4 quarts she added
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\n" ); document.write( "I can say:
\n" ); document.write( "\"+x+%2F+%28+4+%2B+1+%29+=+.36+\"
\n" ); document.write( "\"+x+=+.36%2A5+\"
\n" ); document.write( "\"+x+=+1.8+\"
\n" ); document.write( "-----------------------
\n" ); document.write( "\"+x%2F4+=+1.8%2F4+\"
\n" ); document.write( "\"+1.8%2F4+=+.45+\"
\n" ); document.write( "The concentration of the 4 quarts added is 45%\r
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