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GRE Prep Club Team Member
Joined: 20 Feb 2017
Posts: 2508
Given Kudos: 1053
GPA: 3.39
In 1990 the population of a certain town was 15,000. Predictions say t
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31 Jan 2023, 00:29
31 Jan 2023, 00:29
Expert Reply
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Question Stats:
66% (01:10) correct
33% (01:19) wrong based on 3 sessions
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In 1990 the population of a certain town was 15,000. Predictions say that the population will increase by 5 percent each year for the next 10 years. Which of the following expresses the predicted population in the year 2000?
A. \((10)(15,000)^5\)
B. \((10^5)(15,000)\)
C. \((0.05)(10)(15,000)\)
D. \((0.05)^{10}(10)(15,000)\)
E. \((1.05)^{10}(15,000)\)
A. \((10)(15,000)^5\)
B. \((10^5)(15,000)\)
C. \((0.05)(10)(15,000)\)
D. \((0.05)^{10}(10)(15,000)\)
E. \((1.05)^{10}(15,000)\)
GRE Prep Club Team Member
Joined: 20 Feb 2017
Posts: 2508
Given Kudos: 1053
GPA: 3.39
Re: In 1990 the population of a certain town was 15,000. Predictions say t
[#permalink]
01 Feb 2023, 21:43
01 Feb 2023, 21:43
Expert Reply
The population is 15,000 in 1990. Let, p=15,000
The time is 10 years and the rate at which the population increases every year is 5%.
Therefore, population prediction in 2000 = 15,000(1+5/100)^10
= (1.05)^10 * (15,000)
Answer: E
The time is 10 years and the rate at which the population increases every year is 5%.
Therefore, population prediction in 2000 = 15,000(1+5/100)^10
= (1.05)^10 * (15,000)
Answer: E
gmatclubot
Re: In 1990 the population of a certain town was 15,000. Predictions say t [#permalink]
01 Feb 2023, 21:43
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