Need math help: how many different kinds of passes?

timer Asked: Nov 15th, 2015
account_balance_wallet $5

Question Description

Three different types of monthly commuter passes are offered by a city's local transit authority for three different groups of passengers. How many different kinds of passes must be possible?

Tutor Answer

Alex Maslovskii
School: University of Maryland

Thank you for the opportunity to help you with your question!

So every group of passengers may have 3 different types of passes 

In that case 3 types for group 1 + 3 3 types for group 2 + 3 types for group 3 = 9 types of passes

Answer is A

Please let me know if you need any clarification. I'm always happy to answer your questions. If you like my answer, please, rate me =)

flag Report DMCA

Top quality work from this guy! I'll be back!

Similar Questions
Hot Questions
Related Tags
Study Guides

Brown University

1271 Tutors

California Institute of Technology

2131 Tutors

Carnegie Mellon University

982 Tutors

Columbia University

1256 Tutors

Dartmouth University

2113 Tutors

Emory University

2279 Tutors

Harvard University

599 Tutors

Massachusetts Institute of Technology

2319 Tutors

New York University

1645 Tutors

Notre Dam University

1911 Tutors

Oklahoma University

2122 Tutors

Pennsylvania State University

932 Tutors

Princeton University

1211 Tutors

Stanford University

983 Tutors

University of California

1282 Tutors

Oxford University

123 Tutors

Yale University

2325 Tutors