A a parrotfish eating coral on a coral reef
Six:
1. Upper Mississippi
2. Arkanas River
3. Illinois River
4. Missouri River
5. Ohio River.
6. Red River
8500 paid
10 years passed
15,000 returned
6500 earned
6500/8500 x 100%
76.47% (Answer)
Hope it helps
Canada, Mexico, and the United States