Mathematics, 16.12.2020 17:00, zitterkoph

If Trisha has 3 block periods for 90 minutes each day and 4 regular seconds periods for 50 minutes each school day, how many hours of class does she have per day? Round to the nearest tenth of an hour if needed.

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If Trisha has 3 block periods for 90 minutes each day and 4 regular seconds periods for 50 minutes e...