how many different kinds of return ticket must be prepared for a railway line with 16 station
Answers
Answered by
0
Step-by-step explanation:
Your answer is here hope this helped to you
Attachments:
![](https://hi-static.z-dn.net/files/d5c/911508d1980f1cfe420aa8374e39fe6f.jpg)
![](https://hi-static.z-dn.net/files/d0e/f3f00014ab33cea1b680e3be4cad06af.jpg)
Similar questions