document.write( "Question 158646This question is from textbook
\n" ); document.write( ": How many ounces of water must be added to a 20 oz. of a 8% salt solution to make a 2% salt solution? \n" ); document.write( "

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How many ounces of water must be added to a 20 oz. of a 8% salt solution to make a 2% salt solution?
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\n" ); document.write( "Let x = amt of water required
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\n" ); document.write( "The amt of salt does not change, just the percent changes.
\n" ); document.write( "Write a simple equation from this fact
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\n" ); document.write( ".08(20) = .02(x+20)
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\n" ); document.write( "1.6 = .02x + .4
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\n" ); document.write( "1.6 - .4 = .02x
\n" ); document.write( "x = $\"1.2%2F.02\"$
\n" ); document.write( "x = 60 oz of water required
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\n" ); document.write( "Check (Resulting total = 80 0z
\n" ); document.write( ".08(20) = .02(80)
\n" ); document.write( "1.6 = 1.6
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