document.write( "Question 852033: \r
\n" ); document.write( "\n" ); document.write( "how many millilitres of vinegar must be added to 20 millilitres of a 10%-vinegar solution to make it a 25%-vinegar solution?
\n" ); document.write( "

Algebra.Com's Answer #513167 by checkley79(3341)\"\" \"About 
You can put this solution on YOUR website!
X+.10*20=.25(X+20)
\n" ); document.write( "X+2=.25X+5
\n" ); document.write( "X-.25X=5-2
\n" ); document.write( ".75X=3
\n" ); document.write( "X=3/.75
\n" ); document.write( "X=4 ML. 0F PURE VINEGAR ARE REQUIRED.
\n" ); document.write( "PROOF:
\n" ); document.write( "4+.10*20=.25(4+20)
\n" ); document.write( "4+2=.25*24
\n" ); document.write( "6=6
\n" ); document.write( "
\n" );