Question
Asked Sep 18, 2019
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In 2010, there were about 246 million vehicles (cars and trucks) and about 308.7 million people in the United States.1 The number of vehicles grew 15.5% over the previous decade, while the population has been growing at 9.7⁢% per decade. If the growth rates remain constant, when will there be, on average, one vehicle per person?

 

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Expert Answer

Step 1

Given,

The rate of growth of vehicles =15.5 %

And rate of growth of population =9.7 %

Assume that after n years the ratio be 1:1, it means that the number of vehicles after n years will be equal to the number of persons after n years.

Step 2

Number of vehicles in n decade time

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72 15.5 246 1 100

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Step 3

Number of vehicles in...

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72 9.7 .71+ 308 100

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