Mathematics, 15.01.2021 21:40 kaileyy06

D. On any given workday after 4pm, the number of persons leaving an office building per minute is found to follow a geometric progression. The number of persons leaving in the sixth minute
is four times the number leaving in the eighth minute. Additionally, after four minutes a total
of 45 people left the office building. Determine the number of persons leaving the office
building in the first minute as well as the common ratio.
[6 marks]

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