Math

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On his 13th birthday he was 112 cm tall and on his 14th birthday he was 121cm tall. Assume a geometric monthly growth rate. What is this rate? (%)

  • Math -

    increase = 121-12 = 9
    rate of increase = 9/112 = .08036
    or appr 8%

  • Math -

    that answer is wrong...

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