document.write( "Question 266638: how much water must be evaporated from 32 ounces of a 4% salt solution to make a 6% slat solution? \n" ); document.write( "

Algebra.Com's Answer #195885 by drk(1908) $\"\"$ $\"About$

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this is a mixture problem. Here is a table based on the given information
\n" ); document.write( "solutions . . . . . . . % . . . . . . . . ounces . . . . . . . . . .%ounces
\n" ); document.write( "salt . . . . . . . . . . .4 . . . . . . . . .32 . . . . . . . . . . . . . . .128
\n" ); document.write( "water . . . . . . . . .0 . . . . . . . . . x . . . . . . . . . . . . . . . .0
\n" ); document.write( "mixture. . . . . . . 6 . . . . . . . . . x + 12. . . . . . . . . . . . 6x + 72
\n" ); document.write( "looking at the third column, we have
\n" ); document.write( " $\"128+%2B+0+=+6x+%2B+72\"$
\n" ); document.write( "subtract 72 to get
\n" ); document.write( " $\"56+=+6x\"$
\n" ); document.write( "dividing, we get
\n" ); document.write( " $\"x+=+9.33\"$ \n" ); document.write( "

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