6) A hotel has 260 rooms. Some are singles, and some are doubles. The singles cost $35 and the doubles cost $60. All of the hotel rooms are occupied, and the sales totaled $14,000. How many of each type of room does the hotel have?

Answer

Step-by-step explanation:

let x = single rooms

let y = double rooms

x+y = 260

35x+60y = 14000

the perimeter is increased by a factor of 2

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