Answer:
The correct answer is B) 1/9
Step-by-step explanation:
In order to find this answer, you need to take the fraction that answered it on the first try and subtract the number that changed their mind.
5/18 - 1/6
In order to complete this operation, you need to give them common denominators.
5/18 - 3/18 = 2/18
And we can simplify that answer.
2/18 = 1/9