C. Solve the following problem:

Pam walk 3 7/8 miles to school. Paul walks 2 1/4 miles to school.
How much farther does Pam walk than Paul?

18. What is the mathematical sentence of the problem?

a. 3 7/8 - 2 1/4 = n
b. 3 7/8 + 2 1/4 = n
c. 2 1/4 - 3 7/8 = n
d. 7 3/8 - 2 1/4 = n

19. What is your answer to the problem?

a. 1 5/8
b. 1 3/8
c. 1 1/8
d. 1 7/8​