Two small kids weighing 28 kg and 40 kg are trying to balance the seesaw of total length 10 m with the fulcrum at the center. If one of the kids is sitting at the end, the other should sit at ____________.

A. 1.5 m from the center
B. 1.6 m from the center
C. 1.7 m from the center
D. 1.8 m from the center