hundredpercentstella hundredpercentstella

23-11-2020
Mathematics

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Cora got a $1200 loan for 2 years. She paid $90 in interest. What was her interest rate? (*hint: you will get a decimal as an answer that needs to be turned to a %). SOS I NEED THIS VERY QUICK

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STurlington6 STurlington6

23-11-2020

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%

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