document.write( "Question 353284: how much 60% anti freeze solution must be mixed with a 40% antifreeze solution to produce 20 gallons of a 45% disinfectant solution? Round your answer to the nearest gallon. \n" ); document.write( "
Algebra.Com's Answer #252452 by Alan3354(69443)\"\" \"About 
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how much 60% anti freeze solution must be mixed with a 40% antifreeze solution to produce 20 gallons of a 45% disinfectant solution? Round your answer to the nearest gallon.
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\n" ); document.write( "These are all the same.
\n" ); document.write( "h = amount of higher concentration c1
\n" ); document.write( "j = amount of lower concentration c2
\n" ); document.write( "r = resulting concentration
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\n" ); document.write( "h + j = total amount
\n" ); document.write( "c1*h + c2*j = r*(h+j)
\n" ); document.write( "Sub your numbers and solve.
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\n" ); document.write( "You can look at the solved problems and find examples, too.
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