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 #534391 by geetha_rama(94) $\"\"$ $\"About$

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Total gallons of solution = 77
\n" ); document.write( "% of salt = $\"%2837%2F100%29%2A77\"$ = 28.49 gallons of salt solution
\n" ); document.write( "% of water = $\"%2863%2F100%29%2A77\"$ = 48.51 gallons of water
\n" ); document.write( "To find how much of water to be added to make this solution as 30% salt solution\r
\n" ); document.write( "\n" ); document.write( "Let x be the no: of gallons of water to be added
\n" ); document.write( " 30% of salt solution
\n" ); document.write( "no: of gallons of salt = 30/100(77+x)
\n" ); document.write( " $\"28.49+=+%2830%2F100%29%2A%2877%2Bx%29\"$
\n" ); document.write( " $\"2849+=+30%2A%2877%2Bx%29\"$
\n" ); document.write( " $\"2849+=+2310+%2B+30x+\"$
\n" ); document.write( "solving the above we get
\n" ); document.write( "x = 17.96 gallons
\n" ); document.write( "17.96 gallons of water need to be added to make this a 30% salt solution \n" ); document.write( "

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