Population Problems

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What is the sum of the population of Austin and San Antonio based on the 2013 estimate?

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What is the difference of the population estimates of Houston and Austin in 2013?

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How much greater is the population estimate of Austin in 2013 than in the 2010 census?

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What is the sum of the population estimates of New York, Los Angeles, and Chicago in 2013?

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What is the sum of the population census of New York, Los Angeles, and Chicago in 2010?

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What is the difference of the population estimates of 2013 and the census of 2010 for New York, Los Angeles, and Chicago?

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What is the sum of the 2013 population estimates of the biggest cities in Texas?