Two populations of bacteria were given food treated with different vitamins to see how they would grow. Population A started with 900 bacteria and grew at a steady rate of 30 bacteria each hour, while Population B started with 450 bacteria and grew at a steady rate of 9% each hour. At what hour will Population B be larger than Population A? Select your answer from the choices below. a hour 12 b hour 9 c hour 11 d hour 10

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