SOLUTION: A passenger plane made a trip to Las Vegas and back. On the trip there it flew 432 mph and on the return trip it went 480 mph. How long did the trip there take if the return trip t

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Question 131720: A passenger plane made a trip to Las Vegas and back. On the trip there it flew 432 mph and on the return trip it went 480 mph. How long did the trip there take if the return trip took nine hours.
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
For the return trip, d+=+r%2At
d+=+480%2A9
d+=+4320 mi
For the trip to Las Vegas,
d+=+r%2At
4320+=+432%2At
t+=+10hrs answer