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
0  8
0  0
4  7
0  0
 in bus
7  4
7  12
7  8
10  10
 
 together
11
 

Solution

 
A
B
C
D
E
 got off
0  0
0  0
0  4
1  5
10  10
 got on
7  4
0  8
0  0
4  7
0  0
 in bus
7  4
7  12
7  8
10  10
 
 together
11
19
15
20
 
home
home
Buses 2
Buses 2

Number of exercises: