document.write( "Question 568749: Deon has 12 milliliters of a 5% solution. He also has a solution that has a concentration of 30%. How many milliliters of the 30% solution does Deon need to add to the 5% solution to obtain a 20% solution? \n" ); document.write( "
Algebra.Com's Answer #367112 by mananth(16946)![]() ![]() You can put this solution on YOUR website! ------------------------ percent ---------------- quantity \n" ); document.write( "Solution Type I 12 ---------------- 5 ml \n" ); document.write( "solution type II 30 ---------------- x ml \n" ); document.write( "Mixture 20 ---------------- 5 + x ml \n" ); document.write( "The sum of individual contents of the two types of components =content in mixture \n" ); document.write( "12*5+30x=20(5+x) \n" ); document.write( "60+30x =100+20x \n" ); document.write( "30x-20x=100-60 \n" ); document.write( "10x=40 \n" ); document.write( "/10 \n" ); document.write( "x=4 ml of solution type II \n" ); document.write( " \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " \n" ); document.write( " |