A Woman Who Weighs 500 N Stands on an 8

A woman who weighs 500 N stands on an 8.0 m long board that weighs 100 N.The board is supported at each end.The support force at the right end is 2 times the support force at the left end.How far from the right end is the woman standing?

A) 4.0 m
B) 2.4 m
C) 2.7 m
D) 1.6 m