document.write( "Question 937860: One hundred liters of a salt and water solution contains 1% salt. After some of the water has evaporated, the solution contains 5% salt. How many liters of water evaporated? \n" ); document.write( "

Algebra.Com's Answer #571255 by TimothyLamb(4379) $\"\"$ $\"About$

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x = liters of water evaporated
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\n" ); document.write( "quantity of salt equation:
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\n" ); document.write( "0.01*100 = 0.05*(100 - x)
\n" ); document.write( "1 = 5 - 0.05x
\n" ); document.write( "0.05x = 4
\n" ); document.write( "x = 4/0.05
\n" ); document.write( "x = 80
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