document.write( "Question 339125: How many ounces of a 25% acid solution should be mixed with a 50% acid solution to produce 100 ounces of a 40% acid solution? \n" ); document.write( "

Algebra.Com's Answer #243467 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
Let A be the amount of 25% acid solution, B the amount of 50% acid solution.
\n" ); document.write( "1. $\"A%2BB=100\"$
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( " $\"25A%2B50B=40%28100%29\"$
\n" ); document.write( " $\"25A%2B50B=4000\"$
\n" ); document.write( "2. $\"A%2B2B=160\"$
\n" ); document.write( "Subtract eq. 1 from eq. 2,
\n" ); document.write( " $\"A%2B2B-A-B=160-100\"$
\n" ); document.write( " $\"highlight%28B=60%29\"$ ounces
\n" ); document.write( "Then from eq. 1,
\n" ); document.write( " $\"A%2B60=100\"$
\n" ); document.write( " $\"highlight%28A=40%29\"$ ounces \n" ); document.write( "

\n" );