Question 620517
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Hi,
What interest rate will cause $2000 to grow to $2163.20 in 2 years?
 2163.20/2000 = (1 + r)^2
1.0816 = (1+r)^2  |taking the square root of both sides of the EQ     
 1.04 = (1+ r)    
   .04 = r   or r = 4% interest