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science

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On a particular day, the following appliances are used for the times indicated: coffee maker, 40 min, and microwave oven, 23 min. Using the power requirements given in the table below, find how much it costs to use the appliances at an electrical cost of 8ยข per kWh.
coffee maker-1650
microwave oven 1250

  • science - ,

    good grief. You have posted this question about four times. Please look for and read my previous answer. I did the coffee maker case and left you a few staps to do yourself.

  • science - ,

    i don't understand it

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