The answer is the one you put that and it says its correct
Answer:
I believe it's the last one.
1/18 because 1/6 of 1/3 of the girls painted their nail red and 1/6 of 1/3 is 1/6*1/3 or 1/18.
Answer: 105 bottles
Step-by-step explanation: You divide the amount used and how much was in each one. :)