Help Solving Physics Problem

Physics
Tutor: None Selected Time limit: 1 Day

A person travels by car from one city to another. She drives for 26.5 min at 88.4 km/h, 12.3 min at 97.4 km/h, 52.5 min at 33.5 km/h, and spends 15.7 min along the way eating lunch and buying gas.The distance between the cities along the route is 88.322 km

Determine the average speed for the trip. Answer in units of km/h.

Jun 8th, 2015

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

average speed= (88.4+97.4+33.5)/(26.5+12.3+52.5+15.7)

                       = 2.0495km/min

                       = 122.97km/h

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 8th, 2015

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