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(52817) About Me  (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 = Total_distance%2FTotal_time = 40%2F1.5 = 26 2%2F3 miles per hour.