To determine who picked the winning scroll, we need to compare the values on the scrolls picked by Cecily and her friends.
- Cecily's scroll: 6.7
- Marty's scroll: -37
- Jon's scroll:
(approximately 0.78) - Fiona's scroll:
(approximately 3.33)
Now we can compare these values:
- Cecily: 6.7
- Marty: -37
- Jon:
≈ 0.78 - Fiona:
≈ 3.33
The highest value is 6.7, which was picked by Cecily.
Therefore, Cecily picked the winning scroll.