Answer:
1127 miles
Explanation:
Since on her last route, she earned $450.80. And she earned $0.4 for every mile.
The amount earned divided by the amount earned per mile would give us the value of distance covered.
Thus,
distance covered =
![(450.80)/(0.40)](https://img.qammunity.org/2021/formulas/mathematics/high-school/lxg6w74klnsy3pbmhqff57o04hzi9jkklg.png)
= 1127
Thus, the distance covered by Alexa on he last route is 1127 miles.