SOLUTION: a commuter has a 20 mile trip each way from home to work. It takes her 30 minutes to get to work and 60 minutes to get home. What is her average speed for a typical work day?
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Question 1060659: a commuter has a 20 mile trip each way from home to work. It takes her 30 minutes to get to work and 60 minutes to get home. What is her average speed for a typical work day? Answer by ikleyn(52824) (Show Source):
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a commuter has a 20 mile trip each way from home to work. It takes her 30 minutes to get to work and 60 minutes to get home.
What is her average speed for a typical work day?
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Total distance = 20 + 20 miles = 40 miles.
Total time = 30 minutes + 60 minutes = 1.5 hour.
The average speed = = = miles per hour.
