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#20 Help

 Mar 16, 2018
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a)  A decline of 10%  per year  means that the common ratio between terms  is ⇒  r  = .9

So.....geometric

 

b) an  =  1250 (.9)n-1     where n  is the value at the beginning  of the nth year

 

c)  6th year   =   1250 (.9) 6 - 1   =  1250 (.9)5  = $738.11 

 

 

cool cool cool

 Mar 16, 2018

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