The problem with this conclusion is that there is missing data.
In order for there to be a conclusion you must test it multiple times in order to see how certain the conclusion is.
Good Luck! :)
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The equation is 40/12=3 1/3
Answer: 
Step-by-step explanation:
Let be "x" the original volume of the solution (in milliliters) before the acid was added and "y" the volume of the solution (in milliliters) after the addition of the acid.
Set up a system of equations:

Applying the Substitution Method, you can substitute the second equation into the first equation and then solve for "x":
All you need to do is divide 96 by 8 and you get 12 as your answer