Need help with Math word problem

timer Asked: Oct 30th, 2015
account_balance_wallet $5

Question Description

Two trains leave a train station at the same time.  One travels north at 9 miles per hour. The other train travels south at 11 miles per hour.  In how many hours will the two trains be 92 miles apart

Tutor Answer

School: UIUC

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

assume after t hours they are 92 miles apart, then we have 

9*t+11*t= 92

20t = 92

t = 4.6 hrs 

Please let me know if you need any clarification. I'm always happy to answer your questions.

flag Report DMCA

awesome work thanks

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