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lailahussain99
10.11.2019 •
Mathematics
The population of askewville in 2016 was 229 and is declining at 3% per year. if this trend continues, when will the population of askewville reach 100 residents?
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Ответ:
Around 27.2 years later
Step-by-step explanation:
This is compound decline problem. We use the formula:
Where
F is future amount (100)
P is present amount (229)
r is the rate of decrease (3% means 3/100 = 0.03)
t is the time in years (which we want to find)
So, lets substitute and solve:
So, around 27.2 years later, the population would reach 100
Ответ:
It can also be written as 4/5 as a fraction or 4 to 5