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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