Question 18 Jacob opened a money-market account. In the first month, he made an initial deposit of \( \$ 500 \). Starting in the second month, he plans to contribute \( \$ 75 \) a month. The account does not pay any interest. After how many months will he have a total of \( \$ 1,475 \) ? 12 months 13 months 14 months

Boitumelo invests an amount of R28 000 for a period of 7 years. For the first two years the interest was \( 12 \% \) p.a. compounded semi-annually. The interest was then changed to \( 10 \% \) p.a. compounded quarterly. Determine the value of the investment after the 7 -year period.

Si un valor inicial es \( 100 \) y el factor de crecimiento es \( 1.05 \), ¿cuál será el valor después de 3 períodos?

If Menciksh pays an inderest of 21 for 9 jears on a sum of \( \$ 2500 \), rate of incevest per annum.

Determine the number of months to complete paying for the balance.

R4 800. He paid a deposit of R1 200 and opted to pay instalments of R400 each month to complete the balance of R3 600 .