document.write( "Question 901336: how much water must be evaporated from 32 gallons of a 10% salt solution in order to obtain a 20% salt solution \n" ); document.write( "
Algebra.Com's Answer #546671 by richwmiller(17219)\"\" \"About 
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0.1*32=0.2*x
\n" ); document.write( "3.2=0.2x
\n" ); document.write( "x=16 new total amount
\n" ); document.write( "Remove 16
\n" ); document.write( "0.2*16=3.2
\n" ); document.write( "You want to double the concentration so you half the amount of water
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