4. A woman from Pasadena makes a trip to a nearby shopping mall that is located 40 miles from her home.
On the trip to the mall she averages 80 mi/hr but gets a speeding ticket upon her arrival. On the return
trip she averages just 40 mi/hr. What was her average speed for the entire trip?
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4. A woman from Pasadena makes a trip to a nearby shopping mall that is located 40 miles from her ho...
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