SAT Math Multiple Choice Practice Question 365: Answer and Explanation

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Question: 365

13. The population of Boomtown doubles every 18 months. In January of 2000, its population was exactly 12,000. At this rate, approximately when should the population reach 96,000?

A. January 2003
B. July 2004
C. January 2006
D. July 2007
E. January 2012

Correct Answer: B


B The population doubles every 18 months. Start with January of 2000 and start doubling.

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