Question

If mass 1 is 1.0 m to the left of the fulcrum and weighs 2.0 kg, mass 3 is 1.0 m to the right of the fulcrum and weighs 4.0 kg, and mass 4 is 2.0 m to the right of the fulcrum and weighs 4.0 kg, what distance will mass 2 need to be from the fulcrum in order for the lever to balance, if mass 2 weighs 6.0 kg?
a.
1.67 m to the right
c.
1.67 m to the left
b.
1.5 m to the right
d.
1.5 m to the left