500
During the snowstorm, Austin built a snowfort that was 4 times long as it was wide. Arsema built a snowfort that was 3 times as long as it was wide. Both snowforts had a perimeter of 40 feet. What are the length and width of Austin's snowfort and Arsema's snowfort?
Austin's snowfort was 4 feet wide and 16 feet long.
Arsema's snowfort was 5 feet wide and 15 feet long.