Use the Law of the Lever to solve the following. Mark sits 4.5 feet from the center of the seesaw to balance a friend who weighs 53 lbs and is sitting 6 feet from the center. How many pounds does Mark weigh? Round to the nearest hundredth.
Use the Law of Levers to solve the problem. The number of chairs on a ski lift varies inversely as the distance between them. A ski lift can handle 32 chairs when they are 30 feet apart. If 40 chairs were used, how many feet should be left between each pair?
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The weight of one person times his distance is equal to the weight of the other person times his distance.
Mark's weight = x; Mark's distance = 4.5 ft
Friend's weight = 53 lb; friend's distance = 6 ft
4.5x = 6*53
Solve for x, Mark's weight