SOLUTION: Ive been having a hard time answering this question, and i cant figure it out. A pilot flew a jet from city A to city B, a distance of 2400 mi. On the return trip, the average spee

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Question 355522: Ive been having a hard time answering this question, and i cant figure it out. A pilot flew a jet from city A to city B, a distance of 2400 mi. On the return trip, the average speed was 20% faster than the outbound speed. The round-trip took 3 h 40 min. What was the speed from city A to city B?
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
t = d / r ___ 3h 40m = 8/3 h

(2400 / x) + [2400 / (1.2x)] = 8/3