SOLUTION: The simple interest on an investment of $4000 for one year is $140. What is the interest rate?

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Question 818781: The simple interest on an investment of $4000 for one year is $140.
What is the interest rate?
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
140/4000 * 100 = 3.5%
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