Answer:
2.5 hours
Explanation:
To get the hourly speed, we need to divide 430 by 5.
This means that the train is going at a speed of 86 miles/hour.
Since we need to find the hour, we need to divide 215 miles by 86 miles/hour.
![215 miles / (86 miles)/(hour)](https://img.qammunity.org/2022/formulas/mathematics/high-school/agtsqyq9ns20cadjgbkdp69spq9kzyvy5v.png)
We can use the keep change flip to do
![215 miles * (1 hour)/(86 miles)](https://img.qammunity.org/2022/formulas/mathematics/high-school/9tse3ovv2372hz9439e0g2z3blgxavluo1.png)
This would give us 2.5 hours.