document.write( "Question 451165: Theresa Yee, a chemist, has 25% hydrochloric acid solution and a 50% hydrochloric acid solution. How many liters of each should she mix to get 10 liters of a hydrochloric acid solution with a 40% acid concentration? \n" ); document.write( "
Algebra.Com's Answer #310258 by rwm(914)\"\" \"About 
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.25x+.5y=.4*10
\n" ); document.write( "x+y=10
\n" ); document.write( "x=4 y=6
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