document.write( "Question 838671: If we want 25 mL of 18% alcohol diluted from 70% alcohol, we must do two steps:
\n" ); document.write( "a) Solve this equation for x: 70% x = 18% (25 mL)
\n" ); document.write( "x is the amount (in mL) of 70% alcohol needed.
\n" ); document.write( "b) You want a total of 25 mL solution, so now subtract x from 25mL to determine the
\n" ); document.write( "amount of water needed.
\n" ); document.write( "

Algebra.Com's Answer #505211 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
 
\n" ); document.write( "Hi,
\n" ); document.write( "25 mL of 18% alcohol(82% water) diluted from 70% alcohol(30% water)
\n" ); document.write( "Let x represent the ml of water added to do this
\n" ); document.write( " water = water
\n" ); document.write( " \".30%2A%2825-x%29+%2B+x+=+.82%2A25ml%0D%0A+%7B%7B%7B.70x+=+.52%2A25\"
\n" ); document.write( " \"x+=+%28.52%2A25%29%2F.70+\" \n" ); document.write( "
\n" );