In the figure below, POQ and ROS are straight lines. ∠ POT is \frac{1}{4} of ∠ ROU and ∠ ROU = ∠ $QOU$ <br> Express ∠ POT as a percentage of 180˚. <hr> <input min="0" type="number" id ="imp5pg205q9a_1" class="lineinput" placeholder="?" />%