SOLUTION: You are at a train station one mile from your home. You can walk at a speed of 4 mph. The train comes by every 15 minutes, and you heard one come by 6 minutes ago. The train ride h

Question 447129: You are at a train station one mile from your home. You can walk at a speed of 4 mph. The train comes by every 15 minutes, and you heard one come by 6 minutes ago. The train ride home takes 8 minutes. Which will get you home faster, leaving immediately walking, or waiting and taking the next train?
Answer by rwm(914) (Show Source): You can put this solution on YOUR website!
It is only a mile from your home. Walk it. It is good exercise and cheaper.
You have to wait 9 minutes and take 8 minutes on the train for a total of 17 minutes. You can be home in 15 if you walk.
Next time bring your bike.
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