Kinematics once again?

The airport terminal has a moving sidewalk to speed pengers through a long corridor. Larry does not use the moving sidewalk. He takes 170 s to walk through the corridor. Curly, who simply stands on the moving sidewalk, covers the same distance in 89 s. Moe boards the sidewalk and walks along it. How long does Moe take to move through the corridor? ume that Larry and Moe walk at the same speed.