SOLUTION: A pilot flew a jet from City A to City B, a distance of 1900 mi. On the return trip, the average speed was 20% faster than the outbound speed. The round-trip took 7 h 20 min. What

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Question 906324: A pilot flew a jet from City A to City B, a distance of 1900 mi. On the return trip, the average speed was 20% faster than the outbound speed. The round-trip took 7 h 20 min. What was the speed from City A to City B?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
r*t=d
x+y=7 1/3,
r*x=1900,
(1.2*r)*y=1900
r=475., x=4., y=3 1/3
1.2*475=570