document.write( "Question 479525: we have 5 gallons of a 8% bleach solution. We want 5 gallons of a 6% bleach solution. How much 8% solution and how much pure water do we need? Thanks!\r
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Algebra.Com's Answer #328536 by stanbon(75887)\"\" \"About 
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we have 5 gallons of a 8% bleach solution. We want 5 gallons of a 6% bleach solution. How much 8% solution and how much pure water do we need?
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\n" ); document.write( "Equation:
\n" ); document.write( "active - active + active = active
\n" ); document.write( "0.08*5 - 0.08x + 0x = 0.06*5
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\n" ); document.write( "Multiply thru by 100 to get:
\n" ); document.write( "8*5 - 8x = 6*5
\n" ); document.write( "8x = 2*5
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\n" ); document.write( "x = 5/4 gallon (amt 8% solution to be replaced by pure water)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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