SOLUTION: A hotel has 260 rooms, some single and some doubles. The singles costs $69 per night and the doubled cost $85 per night. Because of a math teachers convention, all the hotel rooms

Algebra ->  College  -> Linear Algebra -> SOLUTION: A hotel has 260 rooms, some single and some doubles. The singles costs $69 per night and the doubled cost $85 per night. Because of a math teachers convention, all the hotel rooms       Log On


   



Question 993795: A hotel has 260 rooms, some single and some doubles. The singles costs $69 per night and the doubled cost $85 per night. Because of a math teachers convention, all the hotel rooms are occupied. The sales for this night are $21,076. How many singles rooms are there?
Answer by josgarithmetic(39623) About Me  (Show Source):
You can put this solution on YOUR website!
s, single
d, double
system%28s%2Bd=260%2C69s%2B85d=21076%29