Respuesta :

STurlington6

Answer:

4%

Step-by-step explanation:

Formula - l/Pt=r

l=intrest amount paid in a specific time period, 90

P = Principle amount(before intrest),  1,200

t = Time period involved, 2 years

r = Interest rate in decimal,

90/1,200*2 , 90/2,400 = 0.0375 = 0.04 = 4%