Person A has a mass of 50kg and decides to sit 5 m to the left of the fulcrum on a see-saw. Person B has a mass of 100kg and decides to sit 10 m to the left of the fulcrum on a see-saw. Determine the distance of a -person having a mass of 200 kg, if this person sits on the right side of the see-saw to make it horizontally balanced.
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