🧠Mixed10 questions
Utility Cost Calculator Knowledge Check
Sharpen your utility cost calculator skills with algorithmically generated problems. Each attempt produces unique values to test your formula knowledge.
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If your refrigerator uses 1.5 kilowatt-hours (kWh) of electricity per day and your electricity rate is $0.13 per kWh, what is your daily cost for the refrigerator in dollars if you use it for 20 hours?
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