document.write( "Question 1160380: A photographer has two bottles of developer, one a 70% solution, the other, 20% solution. How much developer should he take from each bottle to make 10 ounces of 50% solution? \n" ); document.write( "
Algebra.Com's Answer #783666 by josgarithmetic(39618)\"\" \"About 
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\n" ); document.write( "...,bottles of developer, one a 70% solution, the other, 20% solution. How much developer should he take from each bottle to make 10 ounces of 50% solution?
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\n" ); document.write( "\n" ); document.write( "x of 70%
\n" ); document.write( "10-x of 20%\r
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\n" ); document.write( "\n" ); document.write( "\"70x%2B20%2810-x%29=50%2A10\"\r
\n" ); document.write( "\n" ); document.write( "-\r
\n" ); document.write( "\n" ); document.write( "\"7x%2B2%2810-x%29=5%2A10\"\r
\n" ); document.write( "\n" ); document.write( "\"7x%2B2%2A10-2x=5%2A10\"\r
\n" ); document.write( "\n" ); document.write( "\"%287-2%29x%2B2%2A10=5%2A10\"\r
\n" ); document.write( "\n" ); document.write( "\"%287-2%29x=10%285-2%29\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight_green%28x=10%28%285-2%29%2F%287-2%29%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"highlight%28x=6%29\"------------\"ounces\" of the 70% developer\r
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\n" ); document.write( "\n" ); document.write( "\"highlight%284%29\"------------\"ounces\" of the 20% developer
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