In the figure below, POQ and ROS are straight lines. ∠ POT is  $$\frac{1}{4}$$ of ∠ ROU and ∠ ROU = ∠ QOU <br> Find ∠ POS . <hr> <input min="0" type="number" id="imp5pg204q6_1" class="lineinput" placeholder="?">˚