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Math·Algebra·Systems of two linear equations in two variables

hard

A hotel has rooms with a balcony that cost $100 per night to rent and rooms without a balcony that cost $80 per night to rent. On a given night, the hotel received $6,800 from renting both types of rooms. If a total of 76 rooms were rented, how many rooms with a balcony were rented on that night?

A

34

B

36

C

38

D

40