The Intensity of a Radio Signal from the Radio Station

Multiple Choice

The intensity of a radio signal from the radio station varies inversely as the square of the distance from the station. Suppose the the intensity is 8000 units at a distance of 2 miles. What will the intensity be at a distance of
5 miles? Round your answer to the nearest unit.

A) 1263 units
B) 1244 units
C) 1306 units
D) 1280 units