Mikel has $20 to spend at the aquarium.

The aquarium charges a $10 admission fee.
The aquarium also has special exhibits that cost $4.00 each to view
Which equation can be used to determine the amount of money, y, that Mikel has left if he views x exhibits?
A y=4x−10
B y=10x−4
C y=10−4x
D y=4−10x