document.write( "Question 594250: A 200 mL solution of sugar water has a sugar concentration of 40%. How many mL of pure water must be added to the solution to reduce the concentration to 10%? \n" ); document.write( "
Algebra.Com's Answer #376665 by mananth(16946) You can put this solution on YOUR website! -------------- percent ---------------- Amount \n" ); document.write( "Sugar solution 40 ---------------- 200 ml \n" ); document.write( "water 0 ---------------- x ml \n" ); document.write( "Total 10 ---------------- 200 + x ml \n" ); document.write( " \n" ); document.write( "40 * 200 + 0 x = 10 ( 200 + x ) \n" ); document.write( "8000 + 0 x = 2000 + 10 x \n" ); document.write( "0 x -10 x = -8000 + 2000 \n" ); document.write( "-10 x = -6000 \n" ); document.write( "/ -10 \n" ); document.write( "x = 600 ml water \n" ); document.write( " \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " \n" ); document.write( " |