Different 9711

A new bus route network was built. There are three stops on each line. In addition, every two lines either do not have a common stop or have only one common stop. What is the largest number of tracks there can be in a town if we know there are only nine different stops?

Correct answer:

n =  



Did you find an error or inaccuracy? Feel free to write us. Thank you!







Tips for related online calculators
Would you like to compute the count of combinations?

You need to know the following knowledge to solve this word math problem:

Related math problems and questions: