document.write( "Question 1129724: Theresa Morgan, a chemist, has a 25% hydrochloric acid solution and a 55% hydrochloric acid solution. How many liters of each should she mix to get 465 liters of a hydrochloric acid solution with a 45% acid concentration? \r
\n" ); document.write( "\n" ); document.write( "___ liters of 25% H
\n" ); document.write( "____ liters of 55% H
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Algebra.Com's Answer #746300 by josgarithmetic(39620)\"\" \"About 
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h, amount of the 55% acid to use
\n" ); document.write( "465-h, amount of the 25% acid to use\r
\n" ); document.write( "\n" ); document.write( "\"55h%2B25%28465-h%29=45%2A465\"
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\n" ); document.write( "\"55h-25h%2B25%2A465=45%2A465\"\r
\n" ); document.write( "\n" ); document.write( "\"30h%2B25%2A465=45%2A465\"\r
\n" ); document.write( "\n" ); document.write( "\"30h=%2845-25%29465\"\r
\n" ); document.write( "\n" ); document.write( "\"30h=20%2A465\"\r
\n" ); document.write( "\n" ); document.write( "\"h=%282%2F3%29465\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28h=310%29\"--------liters of the 55% HCl\r
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\n" ); document.write( "\n" ); document.write( "----------------MIS-HANDLED METHOD--------------------\r
\n" ); document.write( "\n" ); document.write( "From 25% up to 55%
\n" ); document.write( "Want 45% result\r
\n" ); document.write( "\n" ); document.write( "25, 30, 35, 40, 45, 50, 55--------
\n" ); document.write( "\"%2845-25%29%2F%2855-25%29\"\r
\n" ); document.write( "\n" ); document.write( "\"2%2F3\"\r
\n" ); document.write( "\n" ); document.write( "45 % is \"2%2F3\" of the way from 25% to 55%.\r
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\n" ); document.write( "\n" ); document.write( "Liters of the 25% HCl?
\n" ); document.write( "\"cross%28465%282%2F3%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"cross%28310%2ALiters%29\"-----of the 25% HCl
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