Mathematics in the Modern World

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|:] Exercises 1. Calculate the maturity value of a simple interest. 9- month loan of P90.000 if the interest rate is 9.25%. 2. Calculate the maturity value of a simple interest . 1. veer loan of P260000. The interest rate is 5.1%. 3. How much money should be invested in an eooount that earns 6% interest. oompounded monthly. in order to have P?50.000 in 5 years. Exercises 4. How much interest is earned in 3 years on P100,000 deposited in an account paying 6% interest, compounded quarterly? 5. A couple plans to save for their child's college education. What principal must be deposited by the parents when their child is born in order to have P2.000,000 when the child reaches the age of 18? Assume the money earns 8% interest, compounded quarterly.Exercises 6. Suppose your salary in 2023 is P40,000. Assuming an annual inflation rate of 7%, what salary do you need to earn in 2028 in order to have the same purchasing power?. 7. In 2014 your mother purchased an insurance policy that will provide her with P6,250,000 when she will retire in 2054. Assuming an annual inflation rate is 6, what will be the purchasing power of the P6,250,000 in 2054?. Page 51