SOLUTION: A kettle requires 153 kWh of electrical energy to produce 60 kWh of sound energy and 93 kWh of heat energy. How efficient is the kettle at boiling water? Round your answer to the n

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Question 1179881: A kettle requires 153 kWh of electrical energy to produce 60 kWh of sound energy and 93 kWh of heat energy. How efficient is the kettle at boiling water? Round your answer to the nearest whole percentage (i.e. no decimals). Use the % sign with no space after the number.

Answer by ikleyn(52788) About Me  (Show Source):
You can put this solution on YOUR website!
.

    efficiency = %2893%2F153%29%2A100 = 61%   (rounded as requested).    ANSWER

Solved.