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29.01.2020 •
Mathematics
Train a and train b are leaving the station running on parallel tracks. train a is scheduled to leave at 12: 28 and train b is scheduled to leave 42 minutes later. train a is scheduled to travel an average of 45 miles per hour and train b is scheduled to travel 55 miles per hour. when will train b catch train a? how far down the track?
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Ответ:
At 16:19
173.25 miles
Step-by-step explanation:
Train A:
Rate = 45 mph
Time = t hours
Distance traveled
miles
Train B:
Rate = 55 mph
Time
hours
Distance traveled
miles
The distances traveled are the same, so
Note that 3.85 hours is 3 hours 51 minutes. Then the train B will catch the train A at 16:19.
Each train will travel
miles
Ответ:
Answer
6y x 5y
Step-by-step explanation: