Answer:
c.answer
Step-by-step explanation:
A
Answer: 3.5
Step-by-step explanation: 28/4= 3,5
11/8 and 21/16
3 x 1 = 3
4 x 2= 8
3/8+3/4(convert to eighth's)
3/8+6/8=11/8
1 1/8 = 9/8
9 x 1 = 9
8 x 2 = 16
9/16+3/4(convert to sixteenth's)
9/16+12/16
21/16
---
hope it helps