document.write( "Question 785363: How many liters of a 9% solution of salt should be added to a 19% solution in order to obtain 420 liters of a 15 % solution \n" ); document.write( "
Algebra.Com's Answer #477488 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
One of the very most common mixture exercise problems. Just another example of the same general exercise.\r
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\n" ); document.write( "\n" ); document.write( "L=9%
\n" ); document.write( "T=15%
\n" ); document.write( "H=19%
\n" ); document.write( "M=420 liters
\n" ); document.write( "u=UNKNOWN amount liters of the 9%
\n" ); document.write( "v=UNKNOWN amount of liters of 19%\r
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\n" ); document.write( "\n" ); document.write( "SYSTEM OF EQUATIONS TO SOLVE:
\n" ); document.write( "\"highlight%28%28Lu%2BHv%29%2FM=T%29\" and \"highlight%28u%2Bv=M%29\"
\n" ); document.write( "Solve for u and v.
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