From Physlet Physics: https://www.compadre.org/Physlets The (x, y) coordinates of the cursor are shown on the lower left-hand corner of the illustration area. (0, 0) is in the middle of the left-hand border, on the yellow line. The values are in m.https://www.compadre.org/Physlets/optics/prob34_10.cfm Add a Converging Lens. What is the x-value of the center of the lens, C? 10 m