Math Problem Statement
(a) To buy a Treasury bill (T-bill) that matures to $10,000 in 6 months, you must pay $9700. What annual simple interest rate does this earn? (Round your answer to one decimal place.) %
(b) If the bank charges a fee of $40 to buy a T-bill, what is the actual interest rate you earn? (Round your answer to one decimal place.) %
Solution
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Math Problem Analysis
Mathematical Concepts
Simple Interest
Interest Rate
Percentage Calculation
Formulas
Interest Rate (r) = Interest / (Principal × Time)
Interest = Future Value - Principal
Theorems
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Suitable Grade Level
Grades 9-12
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