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.

Example

 
A
B
C
D
E
 got off
0  0
 got on
4  2
2  8
2  4
0  0
 in bus
5  5
5  6
5  11
5  12
 
 together
10
 

Solution

 
A
B
C
D
E
 got off
0  0
4  1
2  3
2  3
5  12
 got on
5  5
4  2
2  8
2  4
0  0
 in bus
5  5
5  6
5  11
5  12
 
 together
10
11
16
17
 
home
home
Buses 2
Buses 2

Number of exercises: