document.write( "Question 425462: 1) Dave has 20 ounces of a 20% of salt solution, How much salt should he add to make it a 25% solution? \n" ); document.write( "
Algebra.Com's Answer #318138 by jorel1380(3719)\"\" \"About 
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20x.80(water)=16
\n" ); document.write( ".75q=16
\n" ); document.write( "q=16/.75=21.3333
\n" ); document.write( "21.3333-20=1.33333 ozs. of pure salt needed to make a 25% solution..
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