Answer: The company used 187.5 tons per mile.
Explanation:
Hi, to answer this question we simply have to divide the amount of cement used (750 tons) by the miles that the company pavemented (4 miles):
Mathematically speaking:
750 t / 4 m = 187.5 tons per mile
The company used 187.5 tons per mile.
Feel free to ask for more if needed or if you did not understand something.