document.write( "Question 892238: I have 60% concentrate, I need to mix a 1000 gallons of water to a .60 solution strength. how much concentrate do I need to use? \n" ); document.write( "
Algebra.Com's Answer #540370 by Alan3354(69443)\"\" \"About 
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I have 60% concentrate, I need to mix a 1000 gallons of water to a .60 solution strength. how much concentrate do I need to use?
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\n" ); document.write( ".60 is 60%
\n" ); document.write( "If you mean 0.6%, then
\n" ); document.write( "1000*0 + 60*C = (1000 + C)*0.6
\n" ); document.write( "60C = 600 + 0.6C
\n" ); document.write( "59.4C = 600
\n" ); document.write( "C = 600/59.4
\n" ); document.write( "C =~ 10.1 gallons of the 60% concentrate.
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\n" ); document.write( "That will give 1010.1 gallons of 0.6% solution
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