In 2006, the population of Tewksbury, Rhode Island was 25,000, and it was growing at an annual rate of 2.2%. What is the growth factor for the town? Write an equation to model Tewksbury’s growth. Use your equation to estimate the population of Tewksbury in 2011. Round your response to the nearest whole number.
2 answers:
Tewksbury Population In 2011
=
= 27,874
Answer:
The growth factor is 1.022
y = (25000) (1.022)^x
y =27874 people in 2011
Step-by-step explanation:
Exponential growth is modeled by the equation
y= a b^x
where a is the initial amount and b is 1 + the growth percent and x is the time in years
a =25000
b = 1+.022 = 1.022
y = (25000) (1.022)^x
We need to find the population ins 2011
2011-2006 is 5 years so x=5
y = 25000 (1.022)^5
y = 27873.7 people
Rounding because we don't have parts of people
y =27874 people
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