Each year 5% of the inhabitants of a rural area move to the city. If the current population is 24,000. Hint: When the percent increases, you want the original 100% plus the additional. If it decreases, you want the original 100% minus the decrease. (i) What is the population of the rural area after 5 years? (ii) How long would it take for the population to double? (B) The sum of the first n terms of an AP is 373.5. Use the appropriate formula to assist you in calculating the value of n if the first term is 21.5 and common difference is 5.
Each year 5% of the inhabitants of a rural area move to the city. If the current population is 24,000. Hint: When the percent increases, you want the original 100% plus the additional. If it decreases, you want the original 100% minus the decrease. (i) What is the population of the rural area after 5 years? (ii) How long would it take for the population to double? (B) The sum of the first n terms of an AP is 373.5. Use the appropriate formula to assist you in calculating the value of n if the first term is 21.5 and common difference is 5.
Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter13: Sequences And Series
Section13.FOM: Focus On Modeling: Modeling With Recursive Sequences
Problem 5P
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Question
(A) Each year 5% of the inhabitants of a rural area move to the city. If the current
population is 24,000. Hint: When the percent increases, you want the original 100%
plus the additional. If it decreases, you want the original 100% minus the decrease.
(i) What is the population of the rural area after 5 years?
(ii) How long would it take for the population to double?
(B) The sum of the first n terms of an AP is 373.5. Use the appropriate formula to assist
you in calculating the value of n if the first term is 21.5 and common difference is
5.
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