The distance D from the fulcrum of a seesaw varies inversely as the weight of the person W. Dale who weighs 120 pounds, sits 4 feet from the fulcrum. Dave who weighs 80 pounds sits 3 ft from the fulcrum. What should Dave do to balance Dale’s weight?
A.Dave should sit 5 ft from the fulcrum.
B.Dave should sit 6 ft from Dale’s position.
C. Dave should sit 3 ft farther from his present position.
D. Dave should sit 6 ft farther from his present position.