On a trip to Las Vegas, a passenger plane flew at a speed of 432 mph on the onward journey and on the return trip it
flew at a speed of 480 mph. How long did the onward trip take, if the return trip took nine hours?
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Answer:
10 Hours
Onward journey = 432 mph
Time = 9 hrs
Distance = 432/9
= 48 m
Return Journey = 480 mph
Distance = 48 m
Time = 480/48
= 10 hrs
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