Veronica went on three hikes. On each hike, she saw the following numbers of animals:
Rivers Edge 3 8
Wooded Marsh 8 24
Canyon Creek 15 35
Veronica tried to order the hikes from least to greatest by number of animals seen per kilometer, but she made a mistake. Here's her work:
least greatest
8 24 35
rivers edge wooded marsh canyon creek
What was Veronica's mistake?