Answer:
Aries originally had 48 cookies
Step-by-step explanation:
2 is half of 4
4 is 1/4th of 16
16 is 1/3rd of 48
check work by reversing steps:
Aries had 48 cookies, she gave 1/3 (16) to Ana. Ana gave 1/4th (4) to Edna, and Edna gives 1/2 (2) to Ruth.
Ruth has 2, so the work is correct.