A “teeter-totter” (or “see-saw” if you prefer) has a 50 lb child sitting at one end, 10 ft from the center pivot point (fulcrum). How far from the center point should a 125 lb adult sit in order to balance the teeter-totter?

a. 2.5 ft
b. 4 ft
c. 6.5 ft
d. 10 ft


b. 4 ft

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