document.write( "Question 1098794: A chemist needs to prepare 36 ounces of a 15% hydroelectric acid solution. Find the amount of 18​% solution and the amount of 9​% solution he should mix to get this solution. \n" ); document.write( "
Algebra.Com's Answer #713171 by josgarithmetic(39617)\"\" \"About 
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\"Ounces\", one would assume percents are as weight per weight.\r
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\n" ); document.write( "\n" ); document.write( "Available are 18% and 9% acid solutions.
\n" ); document.write( "Let x be how much 18% acid.
\n" ); document.write( "36-x is how much 9% acid to use.\r
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\n" ); document.write( "\n" ); document.write( "\"%2818x%2B9%2836-x%29%29%2F36=15\"\r
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\n" ); document.write( "\n" ); document.write( "\"18x%2B9%2836-x%29=15%2A36\"\r
\n" ); document.write( "\n" ); document.write( "\"18x%2B9%2A36-9x=15%2A36\"\r
\n" ); document.write( "\n" ); document.write( "\"9x=15%2A36-9%2A36\"\r
\n" ); document.write( "\n" ); document.write( "\"9x=6%2A36\"\r
\n" ); document.write( "\n" ); document.write( "\"x=6%2A4\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28x=24%29\"--------\"ounces\" of the 18% acid.
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\n" ); document.write( "\"highlight%2812%29\"---------ounces of the 9% acid.\r
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\n" ); document.write( "\n" ); document.write( "-\r
\n" ); document.write( "\n" ); document.write( "\"Hydroelectric Acid\" ------ must be for fiction
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