document.write( "Question 501597: how many milimeters of a 15% acid solution and how many milimeters of 3% acid solution must be mixed to get 180 milimeters of a 10% acid solution \n" ); document.write( "
Algebra.Com's Answer #338595 by mananth(16946)\"\" \"About 
You can put this solution on YOUR website!
---------percent ---------------- quantity
\n" ); document.write( "Acid I 15 ---------------- x ml
\n" ); document.write( "Acid II 3 ---------------- 120 - x ml
\n" ); document.write( "Mixture 10.00% ---------------- 120
\n" ); document.write( "
\n" ); document.write( "15 x + 3 ( 120 - x ) = 10 * 120
\n" ); document.write( "
\n" ); document.write( "15x+ 360 - 3 x = 1200
\n" ); document.write( "15 x - 3 x = 1200 - 360
\n" ); document.write( "12 x = 840
\n" ); document.write( "/ 12
\n" ); document.write( " x=70 ml 15.00% Acid I
\n" ); document.write( " 50 ml 3.00% Acid II
\n" ); document.write( "
\n" ); document.write( "
\n" );