Answer:
c. 5/11 or 15/33
Step-by-step explanation:
5/11 can easily be translated to 15/33 by multiplying 5 * 3 and 11 * 3, proving them to be equivalent because the rate of change yields the same result on both sides of the division side.
You could also divide 15/3 and 33/3 to get 5/11.