SOLUTION: Josie ran 6 miles to a friend's house at 6 mph, but returned home along the same route at 3 mph.
What was her average speed for the whole trip?
it would help a lot of you sh
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Question 158653: Josie ran 6 miles to a friend's house at 6 mph, but returned home along the same route at 3 mph.
What was her average speed for the whole trip?
it would help a lot of you showed the work please. Thanks!
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Josie ran 6 miles to a friend's house at 6 mph, but returned home along the same route at 3 mph.
What was her average speed for the whole trip?
:
First find the time for the round trip
Time = dist/speed
:
To time + Return time = Total time
+ = 3 hrs
:
The round trip dist = 12 mi
:
Av speed = dist/time; = 4 mph is his average speed
:
:
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