document.write( "Question 178514This question is from textbook Precalculus
\n" ); document.write( ": A pot contains 6L of brine at a concentration of 120 g/L. how much water should be boiled off to increase the concentration to 200 g/L? \n" ); document.write( "
Algebra.Com's Answer #133473 by josmiceli(19441)\"\" \"About 
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The amount of brine doesn't change when the
\n" ); document.write( "water is boiled off
\n" ); document.write( "Let \"x\"= liters of water to be boiled off
\n" ); document.write( "6 L x 120 g/L = 720 g
\n" ); document.write( "\"720+%2F+%286+-+x%29+=+200\" g/L
\n" ); document.write( "\"720+=+200%2A%286+-+x%29\"
\n" ); document.write( "\"720+=+1200+-+200x\"
\n" ); document.write( "\"200x+=+1200+-+720\"
\n" ); document.write( "\"200x+=+520\"
\n" ); document.write( "\"x+=+2.6\"L\r
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