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?

Please help

Respuesta :

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