document.write( "Question 730490: You want to mix some 10% glucose solution with some 15% glucose solution to obtain 100 ml of a 12% glucose solution. How much of the 15% glucose solution do you need in the mixture? \n" ); document.write( "
Algebra.Com's Answer #446746 by josgarithmetic(39617)\"\" \"About 
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x and y for milliliters of the 10% and the 15% solutions.\r
\n" ); document.write( "\n" ); document.write( "\"%2810x%2B15y%29%2F100=12\" AND \"x%2By=100\".
\n" ); document.write( "Treat the two equations as a system and solve for x and y.
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