3) a) i) Calculate the simple interest earned if a deposit of $ 200,000 is left for 12 years at an interest rate of 1.5% . ii) Calculate the time needed for an investment of $700,000 to gained an interest of $84,000 if the interest rate was 1.5% (b) Solve the following pairs of simultaneous equations 3x – y = 5 and 2x + 3y = 7
3) a) i) Calculate the simple interest earned if a deposit of $ 200,000 is left for 12 years at an interest rate of 1.5%
. ii) Calculate the time needed for an investment of $700,000 to gained an interest of $84,000 if the interest rate was 1.5%
(b) Solve the following pairs of simultaneous equations
3x – y = 5 and 2x + 3y = 7
4) a) i) In a Class election the top 3 are given position of Class Prefect, Class Representative and Social Media Administrator. If there were 8 candidates, how many possible options could be given for the various positions?
ii) From the 8 top students on the Merit List for the month, the top 3 are given awards. How many possible options are available if they receive the same award?
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