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Percentages

SAT Math· difficulty 4/5

A population of 10,00010{,}000 grows 55\\% per year. What is the population after 22 years?

  • A

    11{,}500

  • B

    11{,}025

    check_circle
  • C

    11{,}000

  • D

    10{,}500

Explanation

10,000cdot1.052=10,000cdot1.1025=11,02510{,}000 \\cdot 1.05^2 = 10{,}000 \\cdot 1.1025 = 11{,}025.

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