Natsumi paints walls for a living. She paints at a constant speed, and then she takes a constant amount of time to clean up. The table compares the total area Natsumi paints (in square meters) and the time it takes Natsumi to finish painting and cleaning up (in hours). Area (square meters) | Time (hours) :-: | :-: $30$ | $2$ $45$ | $2.75$ $60$ | $3.5$ **How long does it take Natsumi to clean up after she is done?** [[☃ numeric-input 2]] hours