From a full 50-liter container of a 40% concentration of acid, x liters is removed and replaced with a 100% acid.
a) Write the amount of acid in the final mixture as a function of x
b) Determine the domain and range of the function
c) Determine x if the final mixture is 50% acid
Here is my explanation:
a. after x liter of solution is removed, the remaining amount of acid is (50-x)*0.4;
after x liter of ...
The expert examines an acid mixture problem.