Wiley PLUS x u References x C Precalculus 2nd Edition Te https:lledugen willeypl

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Wiley PLUS x u References x C Precalculus 2nd Edition Te https:lledugen willeyplus.com/edugenlltilmain.uni Young, Precalculus with Limits, 2e US Help System Announcements Chapter 3, Lecture video, Section 3.5, Example 01, Question o01. incorrect. Please view the following video before answering this question Lecture video, Section 3.5 Example.01 The population of a certain country was 4.2 million in 1998 and was 5.5 million in 2001 103 In what year will the population have doubled since 199 Round your answer to the nearest integer. Question Attempts: 2 of 5 u copyright o 20oo-2017 by John Wiley & Sons, inc or reiated companies. rights reserved.

Explanation / Answer

PR= (Ppresent - Ppast ) *100 / Ppast * time

Ppresent = 5.5 million Ppast = 4 million time = 3

PR = (5.5 - 4)/4 * 100 / 3 = 1.5* 25/3 = 12.5 %

12.5 = (8 - 4)*100/ 4*t

t = 100*4/4*12.5 = 8

t = 8 years

The population have doubled in 2006

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