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taiidabarbie

Answer: hope this helps found it online.

Step-by-step explanation:

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bogadu

Answer:

7.875

Step-by-step explanation:

Formula for rate is

r = [tex]\frac{i}{pt}[/tex]

where i is the interest, 1989 - 1800 = 189

p = 1800, t = (9/12).

r = (189 x 9)/ (1800 x 12)

r = 1701/21600

r = 0.07875 or 7.875%

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