Alright, here's what I did.
(CCW is positive)
Torque= -75kg(9.8m/s^2) X(COM) + 2.5m(65kg)(9.8m/s^2) = 0
I actually got a reasonable answer (2.17m), just not the right one (6.26m). I must still be setting something up the wrong way. Thanks for the help Jay.
Homework Statement
A 65.0-kg person stands on a horizontal board. The board is 10.0-m long and is NOT perfectly uniform. The person stands 1/4 of the way from the left end of the board. The board is supported at each end by a scale. The scale on the left reads 753 N and the scale on the right...