document.write( "Question 808190: Doreen Schmidt is a chemist. She needs to prepare 28 ounces of a 12% hydrochloric acid solution. Find the amount of 14% and the amount of 7% solution she should mix to get this solution. \n" ); document.write( "
Algebra.Com's Answer #486824 by richwmiller(17219)\"\" \"About 
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a+b=28,
\n" ); document.write( ".14a+.07b=.12(28)
\n" ); document.write( "a=20, b=8\r
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