When given a value of the variable, we replace each instance of the variable in the problem with that number. In this case, the expression becomes:

After this, we merely need to simplify the answer.


Simplifying 12/2 gives us the answer 6.
You would do 40 divided by .50 to get 80 Chips in total.
Rational because 5^3
irrational
I believe the answer is 26, i hope this helps!