Difference between revisions of "2009 AMC 8 Problems/Problem 14"
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Revision as of 01:45, 5 July 2013
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?
Solution
The way to Temple took hours, and the way back took
for a total of
hours. The trip is
miles. The average speed is
miles per hour.
See Also
2009 AMC 8 (Problems • Answer Key • Resources) | ||
Preceded by Problem 13 |
Followed by Problem 15 | |
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | ||
All AJHSME/AMC 8 Problems and Solutions |
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