document.write( "Question 1005196: A 200 ml shampoo with 80% cleansing power its to be diluted with water. This is done by drawing out some amount and replacing it with water. Agnes wants a mild shampoo of 60% cleansing power. How much must she draw off and replace?
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Algebra.Com's Answer #621538 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

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A 200 ml shampoo with 80% cleansing power its to be diluted with water.
\n" ); document.write( " This is done by drawing out some amount and replacing it with water.
\n" ); document.write( " Agnes wants a mild shampoo of 60% cleansing power.
\n" ); document.write( " How much must she draw off and replace?
\n" ); document.write( ":
\n" ); document.write( "let x = amt 0f original mixture to be removed and the amt of water to be added
\n" ); document.write( ":
\n" ); document.write( ".80(200-x) = .60(200)
\n" ); document.write( "160 - .8x = 120
\n" ); document.write( "160 - 120 = .8x
\n" ); document.write( "40 = .8x
\n" ); document.write( "x = 40/.8
\n" ); document.write( "x = 50 ml removed and 50 ml of water added \n" ); document.write( "

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