Answer:
78
Step-by-step explanation:
C because it's her average speed as it says in the sentence to explain it and the others arnt really saying what it is
22/400
Divide top and bottom by 2. 2 into 22 is 11 and 2 into 400 is 200.
11/200.
No other number can go into 11 and 200.
= 11/200 in Simplest form.
