SOLUTION: find how long it takes a $1600 investment to earn $500 interest if it is invested at 4% interest compounded quarterly

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Question 912579: find how long it takes a $1600 investment to earn $500 interest if it is invested at 4% interest compounded quarterly
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
In General A%28t%29+=+P%281%2Br%2Fn%29%5E%28nt%29
A = Accumulated Amount
P= principal =
r= annual rate = .
n= periods per year =
2100+=+1600%281.01%29%5E%284t%29
log(1.3125)/4log(1.01) = t