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Last year, wind turbines along a hilly ridge had an average output of 390 kilowatt hours per year. The turbines were upgraded, and now their average annual output is 30% more. What is the new average yearly
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Last year, wind turbines along a hilly ridge had an average output of 390 kilowatt hours per year. The turbines were upgraded, and now their average annual output is 30% more.

What is the new average yearly output?

kilowatt hours=

User CyprUS
by
4.6k points

1 Answer

4 votes

☆Answer :

30% × 390 = 117

= 390 - 117

= 507 kw/h

User Andy Poes
by
4.0k points
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