7. Mohammed borrowed N2500 at \( 4 \% \) p.a. com- pound interest. He repays N600 at the end of each year. Find out during which year the debt will finish.

If you want to earn \( 4 \% \) annual simple interest on an investment, how much should you pay for a note that will be worth \( \$ 18,500 \) in 10 months? (Round your answer to two decimal places.) \( \$ \) Read It

A car was valued at \( \$ 34,000 \) in the year 1990 . The value depreciated to \( \$ 11,000 \) by the year 2006 . A) What was the annual rate of change between 1990 and 2006 ? \( r=\square \) Round the rate of decrease to 4 decimal places.

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We deposit \( \$ 17000 \) into an account earning \( 4 \% \) interest compounded semiannually. How many years will it take for the account to grow to \( \$ 42500 \) ? Round to 2 decimal places. \( \square \) years

A car was valued at \( \$ 39,000 \) in the year 1992. The value depreciated to \( \$ 12,000 \) by the year 2005. A) What was the annual rate of change between 1992 and 2005? \( r=\quad \) Round the rate of decrease to 4 decimal places.