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Mathematics, 10.12.2020 14:00 ennaturan

A passenger plane made a trip to Las Vegas and back. On the trip there it flew 309 mph and on the return trip it went 576 mph. How long did the trip there take if the return trip took 6.5 hours?

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A passenger plane made a trip to Las Vegas and back. On the trip there it flew 309 mph and on the re...

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