120 of the 720 students travelled on foot
What is a pie chart?
A pie chart is a graph or chart that graphically represents data in a circle with each pie slice showing the size of data.
From the pie chart attached, the proportion of students that walked is 60°, hence for 720 students:
Number of those who travelled on foot = (60 / 360) * 720 = 120
120 of the 720 students travelled on foot
Find out more on pie chart at: https://brainly.com/question/25796636
