Thursday, February 16, 2012

What facts do you need to know to find the time the plane arrives in Philadelphia?

A plane leaves Los Aangelas at 8:00 am for Philadelphia, which is in a different time zone. The plane travels a distance of 2,700 miles. It flies nonstop at an average speed of 540 miles per hour.



Los Angelas Pacific time 8:15

Philadelphia Eastern time 11:15



Explain the steps you would take in order to find the time the plane arrives in Philadelphia.Use words, numbers, and symbols in your explanation.What facts do you need to know to find the time the plane arrives in Philadelphia?distance = rate * time

time = distance / rate

time = 2700 miles / 540 mph = 5 hours



Time in LA = 1pm

Time in PA when the plane arrives = 4pmWhat facts do you need to know to find the time the plane arrives in Philadelphia?First, find the total length of time for the flight. 2700 miles divided by 540 miles per hour equals 5 hours, the flight time. So when it arrives in Philly it'll be 1:00 P.M. L.A. time. Now, add 3 hours since it's in Philly. It'll be 4:00 PM.What facts do you need to know to find the time the plane arrives in Philadelphia?You'd need:



Departure time

Distance flown

Speed

Time Zones(!!)



The plane files 2700 miles at 540 mph:



2700/540 = 5 hours flying time.



LA is in Pacific, Philly is Eastern - 3 time zones, so:



5 + 3 = 8; if the plane leaves LAX at 0815, it would land in Philadelphia at 16:15 (4:15 PM Eastern).



Hope this helps!What facts do you need to know to find the time the plane arrives in Philadelphia?
Since distance = rate times time and the plane travels 2700 miles at 540 mph, you know (by dividing) that the plane traveled for 5 hours. It left LA at 8:00 am, so it arrived at 1:00 pm (LA time). BUT Philadelphia time is 3 hours later, so it arrived at 4:00 pm Philadelphia time.
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