Tornados Are Classified in Several Ways

Multiple Choice

Tornados are classified in several ways. A tornado's classification on the Fujita Scale as F1 through F5 is most commonly cited. Another classification of tornados is by path length, given by the formula where L is the length of the tornado's path length, in miles. The Binger, Oklahoma tornado of 1981 was an F4 whose path was 16 miles in length. What was its Pl classification?

A) P1
B) P2
C) P3
D) P4
E) P5