soyeonkim soyeonkim

07-11-2021
Mathematics

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Two children are sitting on a seesaw that is 12ft long. One child weighs 60lb. The other child weighs 90lb. How far from the 90-pound child should the fulcrum be placed so that the seesaw balances?

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bitanyaberhanu97 bitanyaberhanu97

07-11-2021

Answer:

150x=720

Step-by-step explanation:

The distance between two people

sitting apart on a seesaw is d =12ft

one person's weight is f1 = 90lb

second person's weight is f2 = 60lb

98x = 60(12-x)

90x = (720 - 60x = 720

150x = 720

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