SOLUTION: It takes 12 ½ hours to fly on a commercial aircraft from point A to point B at 550 mph. How long does it take a fighter jet flying at Mach 2 (1386 mph) for the same trip?

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Question 333045: It takes 12 ½ hours to fly on a commercial aircraft from point A to point B at 550 mph. How long does it take a fighter jet flying at Mach 2 (1386 mph) for the same trip?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
For the commercial plane:
d+=+r%2At
d+=+550%2A12.5
d+=+6875
For the fighter:
6875+=+1386%2At
t+=+4.96 hrs