document.write( "Question 1146448: A hair dye is made by blending a 9% hydrogen peroxide solution and a 3% hydrogen peroxide solution.
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document.write( "How many milliliters of each are used to make a 300-milliliter solution that is 7% hydrogen peroxide?
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Algebra.Com's Answer #767699 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! A hair dye is made by blending a 9% hydrogen peroxide solution and a 3% hydrogen peroxide solution. \n" ); document.write( "How many milliliters of each are used to make a 300-milliliter solution that is 7% hydrogen peroxide? \n" ); document.write( "------------------ \n" ); document.write( "n = amount of 9% \n" ); document.write( "t = amount of 3% \n" ); document.write( "------ \n" ); document.write( "n + t = 300 ----- total solution \n" ); document.write( "9n + 3t = 300*7 ---- total dye \n" ); document.write( "================ \n" ); document.write( "2 eqns in 2 variables. \n" ); document.write( "Can you solve for n & t?\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |