Question

A group of 26 people went to a restaurant. 2 of them sat at a table for two, and all the other occupied tables for four.

Answer 1

Let x = table with 4 seats

Let y = table with 5 seats

x + y = total tables = 19

4x + 5y = total seats = 84

4x + 5y = 84

x + y = 19

Multiply the bottom equation by 4

4x + 4y = 76

Subtract this equation from the first one you get

y = 8

There are 8 tables with 5 seats.

Do like this

Answer 2

Step-by-step explanation:

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