The Weight F of a Body Varies Inversely with the Square

Multiple Choice

The weight F of a body varies inversely with the square of the distance d between the body and the center of the Earth. If a man weighs 600 pounds 2,000 miles from the center of the Earth, how much will he weigh at a distance of 5,000 miles from the center of the Earth?

A) He will weigh 3,750 pounds.
B) He will weigh 1,500 pounds.
C) He will weigh 480 pounds.
D) He will weigh 96 pounds.
E) He will weigh 240 pounds.