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Question : A 1.2-kW toaster takes roughly 4 minutes to heat four slices...

A 1.2-kW toaster takes roughly 4 minutes to heat four slices of bread. Find the cost of operating the toaster once per day for 1 month (30 days). Assume energy costs 9 cents/kWh.

Question Data is a breakdown of the data given in the question above.
  • Power of the toaster: 1.2 kW
  • Time taken to heat four slices of bread: 4 minutes
  • Number of days: 30
  • Energy cost: 9 cents/kWh
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Step 1:
Convert the time from minutes to hours. Since there are...
Step 2:
Multiply the power (1.2 kW) by the time (4/60 hr) to ge...
Step 3:
To find the total cost for 1 month (30 days), we need t...

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