Answer:
4 years
Step-by-step explanation:
I = $ 400
R = 5%
P =$ 2000
I = Prt
400 = 2000 *
* t
400 = 20 * 5 * t
400 = 100 t

t = 4 years
D because you need to make the denominators have a common multiple.
Difference=subtract sum=add. just answering so you don't waste points :-)
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