SOLUTION: Two trains are heading towards the same station. Train 1 is 1.5 miles away moving 30mph. Train 2 is 2.5 miles away moving 40mph. Which train will arrive first and by how many se

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Question 895951: Two trains are heading towards the same station. Train 1 is 1.5 miles away moving 30mph. Train 2 is 2.5 miles away moving 40mph. Which train will arrive first and by how many seconds faster?
Answer by lwsshak3(11628) About Me  (Show Source):
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Two trains are heading towards the same station. Train 1 is 1.5 miles away moving 30mph. Train 2 is 2.5 miles away moving 40mph. Which train will arrive first and by how many seconds faster?
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Travel time=distance/speed
Train 1:
1.5 mi/30(mi/hr)=(1.5/30)hr=(1.5/30)*60=3 min=180 sec
..
Train 2:
2.5 mi/40(mi/hr)=(2.5/40)hr=(2.5/40)*60=3.75 min=225 sec
Train 1 arrives first by 45 sec