document.write( "Question 809575: I want to mix 5 oz of a 6% solution of red coloring with a 15% solution of red coloring to get a mix of 8% red coloring. How much of the 15% solution do I need? \n" ); document.write( "
Algebra.Com's Answer #487688 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
You are looking for something like this:\r
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\n" ); document.write( "\n" ); document.write( "u = ounces of the 15% material.\r
\n" ); document.write( "\n" ); document.write( "\"%285%2A6%2Bu%2A15%29%2F%28u%2B5%29=8\"
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