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
9  13
 got on
8  2
0  2
3  8
0  0
 in bus
2  8
8  5
 
 together
13
 

Solution

 
A
B
C
D
E
 got off
0  0
2  5
0  2
2  0
9  13
 got on
2  8
8  2
0  2
3  8
0  0
 in bus
2  8
8  5
8  5
9  13
 
 together
10
13
13
22
 
home
home
Buses 2
Buses 2

Number of exercises: