document.write( "Question 482939: A chemist has 400g of salt solution that is 10% salt. How many grams of 20% salt solution must be added to obtain a 12% solution of salt? \n" ); document.write( "
Algebra.Com's Answer #330503 by jorel1380(3719)![]() ![]() You can put this solution on YOUR website! 400x.10=40 \n" ); document.write( "40+n(.2)=.12(400+n) \n" ); document.write( "40+.2n=48+.12n \n" ); document.write( ".08n=8 \n" ); document.write( "n=8/.08 \n" ); document.write( "n=100 \n" ); document.write( "The chemist needs 100g of 20% solution for his mixture.. \n" ); document.write( " |