document.write( "Question 432958: how many liters of a 40% salt solution must be added to 4 liters of a 10% salt solution to obtain 30% solution?\r
\n" );
document.write( "\n" );
document.write( "iam good at solving problems, I just have trouble setting them up. I honestly am not sure where to start on this problem. \n" );
document.write( "
Algebra.Com's Answer #300089 by mananth(16949) You can put this solution on YOUR website! ------ Percent ---------------- quantity \n" ); document.write( "salt solution 10 ----------------4 \n" ); document.write( "salt solution 40 ----------------x \n" ); document.write( "Total 30 ----------------4+x \n" ); document.write( " \n" ); document.write( "10*4+40*x=30(4+x) \n" ); document.write( "40+40x= 120+30x \n" ); document.write( "40x-30x=120-40 \n" ); document.write( "10x=80 \n" ); document.write( "/10 \n" ); document.write( "x=8 liters 40%salt solution \n" ); document.write( " \n" ); document.write( " |