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ovx1267 ovx1267
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Posts: 663
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6 years ago
A subdivision is planned for forty houses, each with its own in-ground swimming pool. A contractor estimates it will take him 30 hours to build the first pool and that there is a 90 learning curve associated with this process.
 
  How long will it take to build the last pool?
  A) 27.2 hours
  B) 23.9 hours
  C) 20.5 hours
  D) 17.1 hours
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wrote...
6 years ago
Answer: D
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