SOLUTION: In a chemistry class, 3 liters of 4% silver iodide solution must be mixed with 10% solution to get a 6% soluction. How many liters of the 10% solution are needed?

Algebra ->  Proportions -> SOLUTION: In a chemistry class, 3 liters of 4% silver iodide solution must be mixed with 10% solution to get a 6% soluction. How many liters of the 10% solution are needed?      Log On


   



Question 351768: In a chemistry class, 3 liters of 4% silver iodide solution must be mixed with 10% solution to get a 6% soluction. How many liters of the 10% solution are needed?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Let A be the amount of 10% solution,
4%283%29%2B10A=6%283%2BA%29
12%2B10A=18%2B6A
4A=6
highlight%28A=3%2F2%29liters