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Korolek [52]
3 years ago
9

A train leaves Los Angeles at 2 p.m. heading north at 50 mph. If the next train leaves three hours later and also heads north at

60 mph, at what time will the second train catch up with the first?
Mathematics
2 answers:
Svetach [21]3 years ago
7 0

Answer:

8:00 AM

Step-by-step explanation:

alphabetsam had a good step by step explaination but they got the timing wrong.

They put 8 PM instead of AM. The correct answer is 8:00 AM.

Mamont248 [21]3 years ago
5 0
Since the first train has been travelling for 3 hours, we have the following equations:
d=50t+3*50=50t+150
d=60t

We want to know when they will be equal, so set these equal to eachother:
60t=50t+150
10t=150
t=15

So 15 hours after the second train leaves, they will be at the same distance. This is at 8AM since the second train leaves at 5PM. 
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