The employees of a company were asked how long it took (in minutes) to commute to work. The results are shown in the following histogram. The time is on the x-axis, in intervals of 10 minutes, starting at 0. The number of employees is on the y-axis. A histogram that has 7 bars with heights from left to right at 9, 6, 7, 4, 3, 1, and 1. 2020 StrongMind. Created using GeoGebra. How many employees took 30 minutes or less to get to work