Mathematics

Mathematics, 18.03.2021 17:30, kaylaaaaaaa86

Robert takes medicine for an ear infection. There are 250,000 bacteria present when he begins taking the medicine, and 35% of the bacteria are destroyed every hour. How many hours will it take for 70% of the original bacteria to be destroyed?
A. 4 hours
B. 3 hours
C. 2 hours
D. 1 hour

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