Friday Puzzle

For a Friday puzzle, another adapted Futility Closet offering:

5 tires are used in the course of driving a normal car 20,000 miles. If every tire sustains exactly the same amount of mileage over that time, than how many total miles must be put on each tire?

Answer below:
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
ANSWER: 16000 mi