SOLUTION: The cost of operating a television set varies directly as the number of hours it is in operation. It costs $8.00 to operate a certain set continuously for 40 hours. At this rate, f

Algebra ->  Rate-of-work-word-problems -> SOLUTION: The cost of operating a television set varies directly as the number of hours it is in operation. It costs $8.00 to operate a certain set continuously for 40 hours. At this rate, f      Log On


   

Question 455499: The cost of operating a television set varies directly as the number of hours it is in operation. It costs $8.00 to operate a certain set continuously for 40 hours. At this rate, find the cost of operating this set for one day.
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
8/40:x/24
192=40x
x=4.8
It costs $4.80 to operate the set for a day..