A Meter Stick Is Pivoted at the 0

A meter stick is pivoted at the 0.50-m line. A 3.0-kg object is hung from the 0.15-m line. Where should a 5.0-kg object be hung to achieve equilibrium (the meter stick oriented horizontal and motionless) ?

A) 0.06-m line
B) 0.24-m line
C) 0.56-m line
D) 0.71-m line
E) A 5.0-kg object cannot be placed anywhere on the meter stick to result in equilibrium in this system.