harrisemanuel03 harrisemanuel03
  • 20-02-2018
  • Mathematics
contestada

$800 at 9% for 4 years

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cirignanoz
cirignanoz cirignanoz
  • 20-02-2018
Where as 
y = the answer 
r= the rate 
y=years 

y=800(1.09)^1 
y=$872 

This $872 represents the 9% interest that it has earned added to the original $800.
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rsingh032503 rsingh032503
  • 20-02-2018
Do 800*9%*4 to find interest rate

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