Use the information to answer the following question.



The bottom of a swimming pool is 10 feet below the surface of the water in the pool. The surface of the water is represented by the number 0, and the bottom of the pool is represented by the number -10. The pool’s diving board is the same distance above the surface of the water as the bottom of the pool is below the surface of the water.



What number represents the location of the diving board?

A.
1/ 10

B.
0

C.
10

D.
20