2009 AMC 8 Problems/Problem 14
Revision as of 12:25, 14 August 2011 by Mrdavid445 (talk | contribs) (Created page with "==Problem== Austin and Temple are <math> 50</math> miles apart along Interstate 35. Bonnie drove from Austin to her daughter's house in Temple, averaging <math> 60</math> miles ...")
Problem
Austin and Temple are 
miles apart along Interstate 35. Bonnie drove from Austin to her daughter's house in Temple, averaging 
miles per hour. Leaving the car with her daughter, Bonnie rod a bus back to Austin along the same route and averaged 
miles per hour on the return trip. What was the average speed for the round trip, in miles per hour?
