I am confident that the answer is C. 53.7
With these, I normally use the method of "Plug and Chug" lol. I think your answer is C. -6.
Answer:

Step-by-step explanation:
Total amount of water = 500 ml
Mary drank = 400 ml
<u>Left:</u>
= 500 ml - 400 ml
= 100 ml
This was divided equally among 4 friends.
So,
<u>Each friend got:</u>
= 100 ml/4
= 25 ml
![\rule[225]{225}{2}](https://tex.z-dn.net/?f=%5Crule%5B225%5D%7B225%7D%7B2%7D)
Answer:
y = 6
Step-by-step explanation:
24/12 = 2
2*3 = 6