document.write( "Question 133194: How much water must be evaporated from 400 gallons of a 14% saline solution to get a 40% saline solution? \n" ); document.write( "

Algebra.Com's Answer #97387 by vleith(2983) $\"\"$ $\"About$

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How much salt is in the original solution?
\n" ); document.write( " $\"400+%2A+0.14\"$ = 56\r
\n" ); document.write( "\n" ); document.write( "The amount of salt doesn;t change. So we need to find the ratio where 56 is 40% of some other number.\r
\n" ); document.write( "\n" ); document.write( " $\"56%2Fn+=+0.4\"$
\n" ); document.write( " $\"56%2F0.4+=+n\"$
\n" ); document.write( "n = 140\r
\n" ); document.write( "\n" ); document.write( "In order to increase the salinity from 14% to 40%, you need to remove $\"400+-+140\"$ = 260 gallons of water
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