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Mathematics, 04.06.2020 00:58 reesemf2006

Water is considered “safe to drink” when the bacteria population in the water is less than 75 parts per liter. “Treatment C” can kill bacteria at a rate of 11.5% per hour. If creek water is contaminated with a bacteria level of 1000 parts per liter, how long will it take to make the water safe to drink if treated with “Treatment C”?

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