You are shown \angle OPQ∠OPQ below whose measure is 90^{\circ}.90 ∘ . Draw an angle bisector of \angle OPQ∠OPQ by clicking a dragging a ray out from the vertex at P.

Randy and trey take turns cleaning offices on the weekends. it takes randy at most 4 hours to clean the offices. it takes trey at most 6 hours to clean the offices. what is the greatest amount of time it would take them to clean the offices together? 2.4 hours 2.5 hours