In a certain region, the number of highway accidents increased by 20% over the four years period. how many accidents were there in 2006 if there were 5102 in 2002? when the % increases, you want the original 100% plus 20%.

Equation:

a  =    5120  

r     =     1  +    .2     =     1 . 2

f (n )   =     5120 *  1 . 2^n - 1

N    =          4      years

f ( 4 )  5120 *  1 . 2^4 - 1

5120 *  1 . 2^3

We want to know, The number of Highway Accidents in Four Years.

   8,847 Highway Accidents total:

Hope that helps                                                            : )

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