SOLUTION: Connie walks from her home to the bicycle repair store at 6km/h and then bikes home at 20km/h. If the total travelling time is 39 minutes, how far is it from her home to the repair
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Question 638690: Connie walks from her home to the bicycle repair store at 6km/h and then bikes home at 20km/h. If the total travelling time is 39 minutes, how far is it from her home to the repair shop? Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! Connie walks from her home to the bicycle repair store at 6km/h and then bikes home at 20km/h. If the total travelling time is 39 minutes, how far is it from her home to the repair shop?
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The avg speed of the round trip = 2*6*20/(6+20) = 120/13 km/hr
39 mins = 13/20 hours
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RT distance = r*t = (120/13)*13/20 = 6 km
One way = 3 km
