document.write( "Question 375194: How many gallons of pure water must be added to 10 gallons of 30% salt water to make a solution that is 25 % salt water? \n" ); document.write( "
Algebra.Com's Answer #266818 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
Water is a 0% solution.
\n" ); document.write( "Let A be the amount of water added.
\n" ); document.write( "\"0A%2B30%2810%29=25%28A%2B10%29\"
\n" ); document.write( "\"300=25A%2B250\"
\n" ); document.write( "\"25A=50\"
\n" ); document.write( "\"highlight%28A=2%29\"gallons
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