elapsed flying time problems?
1. a flight departs dallas (-6) at 1:07 pm and arrives in pensacola (-6) at 3:36 pm. what is the actual elapsed flying time? 2. a flight departs baltimore (-5) at 10:00 am and arrives in las vegas (-8) at 1:32 pm. what is the actual elapsed flying time? 3. a flight departs detroit metro (-5) at 5:30 pm and arrives in ft. myers (-5) at 10:10 pm. what is the actual elapsed flying time? 4. a flight departs atlanta (-5) at 12:01 pm and arrives in austin (-6) at 1:07 pm. what is the actual elapsed flying time? 5. a flight departs seattle (-8) at 8:45 am and arrives in calgary (-7) at 12:30 pm. what is the actual elapsed flying time? Please show how you got the answers if possible. A website that shows how to solve these type of problems would also be greatly appreciated.
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1 :
The "minus number" is the deviation from local time in that city to Greenwich Mean Time, which is the local time in Greenwich, England that people use as a standard for travel across different time zones. It's also called Zulu (Z) time. When an airline lists its departure and arrival times, this is the local times for the departure and arrival cities. So, if you have a flight that leaves time zone -6 at 2 PM and it arrives in time zone -8 at 5 PM, the local time difference between the two cities is two hours. That is, when you leave the -6 time zone at 2 PM, it's actually only 12 noon in the -8 time zone. And, if you arrive at 5 PM, then your total time of travel is 5 hours. In the first problem, the time zone in Dallas (-6) is the same as the time zone in Pensacola (-6). So, the actual flight time is simply the arrival time minus the departure time. And, 3:36 - 1:07 = 1:29. For the second problem, you're leaving a time zone that is east of the arrival time zone by 3 hours (8 minus 5 = 3). So, when you leave Baltimore at 10:00 AM, it's actually 7:00 AM Las Vegas time. And, if the flight arrives at 1:32 PM, that's actually 6:32 hours of total flight time (7 AM to noon is 5 hours, plus the 1:32 when the plane lands). For the rest of the problems, you just need to figure out what the time difference is between arrival and departure cities (the difference between the minus numbers), determine what the actual time of departure is in the arrival city, and then add up the hours and minutes the flight actually takes.
