document.write( "Question 252759: Thirty pounds of a salt-water solution contains fifteen percent salt. How much water must be added to weaken the solution to ten percent salt? \n" ); document.write( "
Algebra.Com's Answer #184847 by hokies(65)\"\" \"About 
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30*.15 = (30+x)*.1\r
\n" ); document.write( "\n" ); document.write( "salt before adding water = salt after adding water
\n" ); document.write( "(30 pounds)*(15 percent salt) = (30+x pounds)*(10 percent salt)\r
\n" ); document.write( "\n" ); document.write( "Solve this equation for x: x = 15 pounds
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