SOLUTION: GOOD AFTERNOON I AM HAVING TROUBLE SOLVING THIS WORD PROBLEM:THE PROBLEM IS: A CHEMIST HAS 4 LITERS OF A SOLUTION THAT IS 75% ACETIC ACID. HOW MUCH WATER MUST BE ADDED TO MAKE T

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: GOOD AFTERNOON I AM HAVING TROUBLE SOLVING THIS WORD PROBLEM:THE PROBLEM IS: A CHEMIST HAS 4 LITERS OF A SOLUTION THAT IS 75% ACETIC ACID. HOW MUCH WATER MUST BE ADDED TO MAKE T      Log On


   



Question 28201: GOOD AFTERNOON I AM HAVING TROUBLE SOLVING THIS WORD PROBLEM:THE PROBLEM IS:
A CHEMIST HAS 4 LITERS OF A SOLUTION THAT IS 75% ACETIC ACID. HOW MUCH WATER MUST BE ADDED TO MAKE THE RESULTING SOLUTION 60% ACETIC ACID.
THANK YOU FOR YOUR HELP.

Answer by Paul(988) About Me  (Show Source):
You can put this solution on YOUR website!
4(0.75)=0.6(x+4)
3=0.6x+2.4
0.6x=0.6
x=1

Hence, about 1 L of water should be added.
Paul.