SOLUTION: Suppose that an individual paid $9,819.81 for a T-bill and collected $10,000 after 6 months. Assuming the interest earned was simple, what was the annual interest rate?

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Question 832351: Suppose that an individual paid $9,819.81 for a T-bill and collected $10,000 after 6 months. Assuming the interest earned was simple, what was the annual interest rate?

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
After 6 months the interest is +10000+-+9819.81+=+180.19+
After 1 year the person would have
+2%2A180.19+=+360.38+ in interest,
so the annual interest rate is
+360.38+%2F+9819.81+=+.0367+
3.67% interest