SOLUTION: Tom, Dick, and Harry weigh 50, 85, and 120 lbs. respectively and use a 12 ft. plank for a teeterboard. Tom sits 5 ft., Dick sits 4 ft., and Harry sits 3 ft. from the fulcrum on the

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Question 103849: Tom, Dick, and Harry weigh 50, 85, and 120 lbs. respectively and use a 12 ft. plank for a teeterboard. Tom sits 5 ft., Dick sits 4 ft., and Harry sits 3 ft. from the fulcrum on the same side. The fulcrum is at the midpoint of the board. How far must a 200-pound friend sit from the fulcrum to balance them?

200 lb friend has to sit _____ from the fulcrum

thanks!!
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
let x=(friend's distance) ... 5(50)+4(85)+3(120)=x(200)