Let's Get Some Rest

Algebra Level 3

When going to the beach, Guilherme takes 22 hours on the road to go from his city to the beach and 33 hours to get back to his city. Knowing that Guilherme's car goes at 100100 km/h when downhill, 8080 km/h on plane surfaces and 6060 km/h uphill, and that there are only 88 kilometers of road on plane surface, what is the distance in kilometers between the city and the beach?

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