272 fluid ounces of lake water
X could either be 4 or 5, depending on which x the question asks. If you have to chose one answer go with 5 because it's associated with the y.
I hope someone solves your problem :)
Answer:
EF= 5.5
Step-by-step explanation:
7 + 4 = 11
11 divided by 2 = 5.5