Answer:
81.8L
Step-by-step explanation:
48L/ 386.7 miles = 0.124 L/mile (3.sf)
So if 1 miles takes 0.124L of gas,
660 miles = 0.124L x 660 = 81.8 L (3.sf)
It will take 81.8L of gas to go 660 miles.
If you round it off it will be 82L, depends on what your answer requires.