document.write( "Question 439563: A 4-liter mixture of milk and coffee is 20% milk. A liter of pure coffee is added to this mixture. What percent if the new mixture is milk? \n" ); document.write( "

Algebra.Com's Answer #303776 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
Let $\"x\"$ = % of milk in final mixture
\n" ); document.write( "In words:
\n" ); document.write( "(total liters of milk) / (total liters of mixture) = % milk
\n" ); document.write( "given:
\n" ); document.write( "Liters of milk = $\".2%2A4+=+.8\"$
\n" ); document.write( "----------
\n" ); document.write( " $\"+.8%2F%281+%2B+4%29+=+x+\"$
\n" ); document.write( " $\"+5x+=+.8+\"$
\n" ); document.write( " $\"+x+=+.8%2F5+\"$
\n" ); document.write( " $\"+.8%2F5+=+16%2F100+\"$
\n" ); document.write( "There is 16% milk in the new mixture \n" ); document.write( "

\n" );