document.write( "Question 806490: a chemist has a 25% acid solution and a 30% acid solution. how many liters of each solution does the chemist need to make 15 liters of a solution that is 28% acid \n" ); document.write( "
Algebra.Com's Answer #485867 by richwmiller(17219)\"\" \"About 
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a+b=15,
\n" ); document.write( ".25a+.3b=.28*15
\n" ); document.write( "a=6., b=9.
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