There were only chairs and tables in the clubhouse. Each chair had four legs, and the table was triple. Scouts came to the clubhouse. Everyone sat on their chair, two chairs were left unoccupied, and the number of legs in the room was 101. How many chairs were in the clubhouse?

Correct answer:

n =  17

Step-by-step explanation:

101 = 3+2·4 + (4+2)·(n-2)

6n = 102

n = 102/6 = 17

n = 17

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