LuisHrndz
04.06.2021 •
Mathematics
A culture of bacteria has an initial population of 420 bacteria and doubles every 5
hours. Using the formula Pt - Po. 24, where P4 is the population after t hours, Po
is the initial population, t is the time in hours and d is the doubling time, what is the
population of bacteria in the culture after 9 hours, to the nearest whole number?
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Ответ:
2/3
Step-by-step explanation:
Time it would take Sarah to complete the work in one hour = work completed in 1/4 hours x 4
We are multiplying by 4 because there are 4, 1/4 in an hour
1/4 + 1/4 + 1/4 + 1/4 = 1 hour
To transform to the simplest form. divide both the numerator and the denominator by 2
=