document.write( "Question 764301: I have an 8oz solution which is 10% permitherin. How much water will I need to add to this solution to make this solution be .5% permitherin?
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Algebra.Com's Answer #465340 by stanbon(75887)\"\" \"About 
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I have an 8oz solution which is 10% permitherin. How much water will I need to add to this solution to make this solution be 0.5% permitherin?
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\n" ); document.write( "Adding water will lower the percentage of permitherin.
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\n" ); document.write( "Equation:
\n" ); document.write( "water + water = water
\n" ); document.write( "0.90*8 + 1.0x = 0.995(8+x)
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\n" ); document.write( "Multiply thru by 1000 to get:
\n" ); document.write( "900*8 + 1000x = 995*8 + 995x
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\n" ); document.write( "5x = 95*8
\n" ); document.write( "x = 19*8
\n" ); document.write( "x = 152 oz (amt. of water to add)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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