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16 July, 02:41

The cost for operating a television varies directly as the number of hours that it is in operation. If it costs $18.00 to operate a standard-size color TV continuously for 30 days, how much would it cost to operate the TV for 9 days?

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  1. 16 July, 02:45
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    9/30 = 0.3

    0.3 * 18 = 5.4

    It will cost $5.40 to operate is continuously for 9 days
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