SOLUTION: {{f Town B?
C)The population of Town C triples every 6 years. What is the annual percent change in the population of Town C?
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Question 1129528: {{f Town B?
C)The population of Town C triples every 6 years. What is the annual percent change in the population of Town C?
Found 2 solutions by josgarithmetic, greenestamps:
Answer by josgarithmetic(39623) (Show Source): You can put this solution on YOUR website!
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he populations of Towns A, B, and C vary exponentially with respect to time.
The population of Town A increases by 19% every 13 years.
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if a = 1,
y=1.19 after 13 years.
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To answer the first question, for each one unit change of x, there is increase by 1.35% in y.
Answer by greenestamps(13203) (Show Source): You can put this solution on YOUR website!
A) The population of town A increases by 19% every 13 years. If a is the starting population, the population after 13 years of growth will be 1.19a:
= 1.01347 to 5 decimal places.
ANSWER: to 2 decimal places, the annual percent increase in population of town A is 1.35%.
B) The population of town B decreases by 40% every 14 years. If a is the starting population of town B, the population after 14 years will be 0.60a:
= 0.96417 to 5 decimal places, which is 1-.03583.
ANSWER: to 2 decimal places, the annual change in the population of town B is -3.58%.
C) The population of town C triples every 6 years. If a is the starting population, the population after 6 years will be 3a:
= 1.20093 to 5 decimal places.
ANSWER: to 2 decimal places, the annual percent change in the population of town C is 20.09%
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