SOLUTION: A jet airliner flies at 300 mph for the first half hour and last half hour of a flight. The rest of the time it flies at 600 mph. How long does it take to fly a distance of 4500 mi

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Question 480398: A jet airliner flies at 300 mph for the first half hour and last half hour of a flight. The rest of the time it flies at 600 mph. How long does it take to fly a distance of 4500 miles?
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
600(n)+600(1)=4500
600n=3900
n=6.5
6.5+1=7.5 hours total air time..