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Last year, wind turbines along a hilly ridge had an average output of 440 kilowatt hours per year. The turbines were upgraded, and now their average annual output is 45% more. What is the new average yearly output?
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jesusm1

Answer:

  1. So your told that its 440 KWH per year
  2. They were upgraded to reflect a 45% change
  3. So you multiply the total × % change
  4. 440 × 0.45 =198
  5. Add the new found total to the old yearly total
  6. 440+198= 638 KWH for the new turbine

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