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  1. A team of engineers just completed building a road, which that the traffic volume for the road will increase by 8% each year. When it was opened to the public for the first time, the traffic volume was 2800 vehicles per hour.

a.Find the traffic volume four years after the road was opened to the public.

b.Determine the number of years will the traffic volume exceed 6000 vehicles per hour

 Jun 5, 2021
 #1
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beginning of 1st year  =  2800 vehicles / hour

beginning of second year  =  2800  *  1.08 vehicles / hour

beginning of third year  =  2800  *  1.08^2 vehicles / hour

 

beginning of nth year = 2800  * 1.08^(n-1)

 

You should be able to do it now.

 Jun 5, 2021

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