document.write( "Question 362997: how much water must be mixed with 5 pints of a solution that is 90% developer to produce a mixture that is 39% developer? \n" ); document.write( "
Algebra.Com's Answer #258737 by nerdybill(7384)\"\" \"About 
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how much water must be mixed with 5 pints of a solution that is 90% developer to produce a mixture that is 39% developer?
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\n" ); document.write( "Let x= amount (pints) of water added
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\n" ); document.write( "\n" ); document.write( ".90(5) = .39(5+x)\r
\n" ); document.write( "\n" ); document.write( "4.5 = 1.95 + .39x
\n" ); document.write( "2.55 = .39x
\n" ); document.write( "6.54 pints = x (water to be added)
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