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Mathematics, 06.03.2022 14:00 Alexmcmu

Bob's dentist determined the number of cavities developed in his patients mouth each year is inversely proportional to the total number of minutes spent brushing during each session. If Bob developed 4 cavities during the year in which he spent only 30 seconds brushing his teeth each time, how many annual cavities will Bob develop if he increases his brushing time to 2 minutes per session?

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