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Mathematics, 25.08.2020 23:01 andybiersack154
A room with poor air quality has a particle concentration of 80 units. A fan removes 50% of the remaining particles each hour. What is the particle concentration, in these same units, in the room after 2 hours?
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A room with poor air quality has a particle concentration of 80 units. A fan removes 50% of the rema...
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