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10 votes
10 votes
Joannie lent $200 to her sister. 4 years later, her sister repaid her in full with $228. What simple annual interest rate did joannies sister pay?

User Jerry Coffin
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2 Answers

17 votes
17 votes
Joanne’s sister paid 3.5% annual interest rate.
User Mohab
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18 votes
18 votes

Answer:

$7/year

Explanation:

228-200 = 28

divide by the 4 years : 28/4= 7

User Sanath Bharadwaj
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