document.write( "Question 884538: How much water should be added to 77 gallons of a 37 percent salt solution to get a 30 percent salt solution? \n" ); document.write( "

Algebra.Com's Answer #534390 by josmiceli(19441) $\"\"$ $\"About$

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Let $\"+x+\"$ = gallons of water to be added
\n" ); document.write( " $\"+.37%2A77+=+28.49+\"$ gallons of salt in
\n" ); document.write( "37% solution
\n" ); document.write( "------------
\n" ); document.write( " $\"+28.49+%2F+%28+x+%2B+77+%29+=+.3+\"$
\n" ); document.write( " $\"+28.49+=+.3%2A%28+x+%2B+77+%29+\"$
\n" ); document.write( " $\"+28.49+=+.3x+%2B+23.1+\"$
\n" ); document.write( " $\"+.3x+=+5.39+\"$
\n" ); document.write( " $\"+x+=+17.9667+\"$ gallons of water
\n" ); document.write( "------------------------------
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