The bar graph shows the usual method of transport to school for the students in a class. How many students are there altogether in the class?
22
5 students use bus
1 student uses taxi
3 students use bike
2 students use train
6 students use car
5 students walk to school
Total number of students = 5 + 1 + 3 + 2 + 6 +5 = 22.