The climate in which Jonah lives is mild all year long except during the hotter summer months. For 3 months out of the year, Jonah needs to use 4 portable fans to cool his home. If the electricity to use one fan costs 1 cent per hour and each fan is on for about 96 hours per month, what is his total electricity cost for the fans during one year?
Each fan costs 1 cent per hour and runs 96 hours per month, so one fan costs 96 cents per month. For 4 fans over 3 months, the total is 96 × 4 × 3 = 1,152 cents, or $11.52. The correct choice is $11.52.
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