Use the following information to answer questions 26-29.
At registration for the first semester, the 1,500 students at Abraham Lincoln High School selected the primary mode of transportation each planned to use to get to school during the semester. The circle graph below shows the distribution of students who selected the various modes of transportation.
27. Gina wants to duplicate this circle graph. Which of the following is closest to the measure of the central angle of the "walking" sector?