A car was initially traveling at an average speed of 48 miles per hour. During each of ten successive 10-minute intervals, the car decreased its average speed by 4 miles per hour. How many miles did the car travel in the seventh 10-minute interval?
A. 2
B. 3
C. 4
D. 5
E. 6![]()
A. 2
B. 3
C. 4
D. 5
E. 6