Answer:
0.8 and 1.6 miles respectively
Step-by-step explanation:
The two benches divide the length of the path into thirds. The length of each third is 2.4 miles / 3, or 0.8 mile.
The first bench is at 0.8 mile from the beginning, and the second is at 2(0.8 mile), or 1.6 mile from the beginning.