Financial Literacy Practice Problems

Here you will find a concise collection of basic financial literacy problems. Visit this page directly at hunkim.com/financial

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  1. The simple interest formula is A=P(1+rt). If the annual interest rate is 10%, explain how a $1000 investment would grow over three years.
  2. Explain the connection between the simple interest formula above and I=Prt, where I represents the interest generated.
  3. The compound interest formula is A=P\left(1+\frac{r}{n} \right)^{nt}, where n represents the number of compounding periods. Suppose you borrow $400,000 for the bank for a mortgage. Calculate how much your debt grows to be if you decide not to pay in 10 years if the 3% annual mortgage rate is calculated:
    1. Annually
    2. Monthly
    3. Daily
    4. Every second
  4. Choose the best option:
    • Pay $12,000 into your mortgage at the end of each year
    • Pay $1,000 each month into your mortgage
    • Pay $500 twice a month into your mortgage
  5. Money grows exponentially and is a function of time. M(t)=5000(1.08)^x
    1. What is the principal amount?
    2. What is the annual growth rate?
    3. How much money will you have in 10 years?
    4. How many years until you become a millionaire?
    5. How can you become a millionaire more quickly?
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