C. Solve the following problems:

Marly made two types of cookies. She used 1 3/4 cup of sugar for one recipe and 3 4/7 cup for the other. How much sugar did she use in all?

16. What is the mathematical sentence of the problem?

a. 1 3/4 - 3 4/7 = n
b. 1 3/4 + 3 4/7 = n
c. 1 3/4 × 3 4/7 = n
d. 1 3/4 ÷ 3 4/7 = n

17. What is your answer to the problem?

a. 4 9/27
b. 5 7/25
c. 5 7/28
d. 5 9/28​