Mathematics, 14.12.2021 02:50 Leii691

40 people are in a classroom. Everyone is sitting in either pairs of desks (2 desks together) or in a group of 4 (4 desks together). All 40 people are sitting in their own desk. There are 2 more pairs of desks than groups of desks. How many of each seating arrangement is there?

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40 people are in a classroom. Everyone is sitting in either pairs of desks (2 desks together) or in...

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