1/5

Buses 2

Instructions:

The table describes the number of passengers entering and leaving at stations A, B, C ... Bus arrives without passengers at the first station. All passengers get off on the last station. We do keep rules of decency - first get off and then get in.

 
A
B
C
D
E
 got off 
0 0
7 12
 got on 
2 7
4 7
5 8
0 0
 in bus
3 5
4 8
 altogether
13