🧠Mixed10 questions
Utility Cost Calculator Quiz
Test your understanding of utility cost calculator with randomized questions. Each attempt generates new numbers for a fresh challenge.
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A refrigerator uses 90 kWh of electricity per month, and the electricity rate is $0.25 per kWh. If you also use 18 therms of gas per month at a rate of $0.74 per therm, what is your total monthly utility cost?