document.write( "Question 820411: How much water should be added to 16 mL of 12% alcohol solution to reduce the concentration to 8%? \n" ); document.write( "
Algebra.Com's Answer #493520 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! two ways to look at this problem- from the point of view of the water and the point of view of the alcohol. \n" ); document.write( "water view\r \n" ); document.write( "\n" ); document.write( ".88*16+x=.92(16+x) \n" ); document.write( "x=8 mL \n" ); document.write( "alcohol \n" ); document.write( ".12*16=.08*(x+16) \n" ); document.write( "x=8 mL \n" ); document.write( "I like to do both ways to check my math and make sure I set up the equations correctly.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |