Answered

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You are an urban planner assessing the growth of a city. Ten years ago, the city's population was 249,583. Its current population is 318,270. By about what percentage has the city grown over the past ten years?
Can anyone explain this one?

Sagot :

[tex]318,270-249,583=68,687\\\\\begin{array}{ccc}249,583&-&100\%\\68,687&-&p\%\end{array}\\\\cross\ multiply\\\\249,583p=68,687\cdot100\ \ \ \ /:249,583\\\\p\approx27.52\\\\Answer:\\The\ city\ grown\ over\ the\ past\ ten\ years\ at\ 27.52\%.[/tex]

Answer:

27.52%

Step-by-step explanation:

Given that an urban planner wants to assess the growth of a city

Population of the city before 10 years = 249583

Current population                                = 318270

Population grown                                  =318270-249583  = 68687

Relative growth = growth/original population

Relative growth =[tex]\frac{68687}{249583}\\=0.2752[/tex]

Percent growth = relative growth x100

Hence percent growth = 0.2752x100

27.52%

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