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Mathematics, 10.04.2020 20:36 sade20

Marissa's Beauty Salon has six hair dryers that each require 500 watts when switched
on. How much would it cost to run all six dryers for 7 hours, at a cost of $0.15 per kWh?
Round to the nearest cent.

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Marissa's Beauty Salon has six hair dryers that each require 500 watts when switched
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