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A Subdivision Is Planned for Forty Houses,each with Its Own

Question 5

Multiple Choice

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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