Mathematics, 08.03.2021 18:10, Vamoppppp

The arena has 800 seats. Of these seats, 45% are in the lower section, 30% are in the middle section, and the remaining seats are in the upper section. How many seats are in the upper section?

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The arena has 800 seats. Of these seats, 45% are in the lower section, 30% are in the middle section...