Subject: mathqa
Question: the average speed of a car decreased by 3 miles per hour every successive 8 - minutes interval . if the car traveled 4.4 miles in the sixth 8 - minute interval , what was the average speed of the car , in miles per hour , in the first 8 minute interval ?
Option: 
A: 51
B: 35
C: 48
D: 40
Answer: C