Answer:
Step-by-step explanation:
Answer:

Step-by-step explanation:
To know the hours of flight, subtract the departure time from the arrival time
so
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Remember that Chicago and Dallas are in the same time zone
Answer: Answer: 2.1 %
Step-by-step explanation:
Decrease = initial price - final price
% decrease = [ (initial price - final price) / initial price ] *100
% decrease =[ (2.89 - 2.83) / 2.89] * 100 = 2.08, which can be rounded to 2.1