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Last year, wind turbines along a hilly ridge had an average output of 600600 kilowatt hours per year. The turbines were upgraded, and now their average annual output is 73%73\% more. What is the new average yearly output?\newline____ kilowatt hours

Full solution

Q. Last year, wind turbines along a hilly ridge had an average output of 600600 kilowatt hours per year. The turbines were upgraded, and now their average annual output is 73%73\% more. What is the new average yearly output?\newline____ kilowatt hours
  1. Calculate increase: Calculate the increase in output due to the 73%73\% rise.\newlineCalculation: 600600 kilowatt hours ×0.73=438\times 0.73 = 438 kilowatt hours increase.
  2. Add to original output: Add the increase to the original average output to find the new average output.\newlineCalculation: 600600 kilowatt hours ++ 438438 kilowatt hours == 10381038 kilowatt hours.