Topic
Q:
\( r=0.0975 \)
\( T=40 \div 12=3.3333 \)
11. A simple interest loan of \( \$ 5000 \) over 4 years incurred interest of \( \$ 2300 \). What interest rate was charged?
Q:
\[ =4000+147=4147 \]
0. Calculate the monthly instalment needed to repay a loan of \( \$ 12500 \) over 40 months at \( 9.75 \% \) p.a. flat
interest rate.
Q:
You deposit R2 500 into a savings account which earns compound interest at a rate of
7,5\% per annum. Determine how much money will be in your savings account after
5 years.
Use: \( A=P\left(1+\frac{r}{100}\right)^{n} \) or \( A=P(1+i)^{n} \)
Q:
9 a. Find the simple interest on an investment of \( \$ 4000 \) for 9 months at \( 4.9 \% \) per annum.
b. To what amount will the investment grow by the end of its term?
Q:
Find the simple interest on an investment of \( \$ 4000 \) for 9 months at \( 4.9 \% \) per annur
Q:
Find the simple interest on an investment of \( \$ 2500 \) for 2 years at a rate of \( 3.25 \% \) pa.
Q:
7. Geoff works as a waiter and is paid \( \$ 12.50 \) per hour. If he works 40 hours per week, calculate:
a. Geoff's gross pay for the week.
b. the tax that Geoff should pay.
c. the percentage of gross pay that Geoff pays in tax.
d. Geoffs net pay if he also has \( \$ 12.50 \) deducted for superannuation, \( \$ 5.35 \) for union fees and \( \$ 100.00 \)
for a loan repayment.
Q:
2.4 Kgabo buys fumiture worth R33 100,00 . She pays \( 10 \% \) deposit and takes out a hire
purchase loan to pay off the balance over a period of 36 months at a simple interest rate
of \( 11 \% \) per annum.
2.4 .1 How much will Kgabo pay in total?
Q:
Suppose you want to have \( \$ 600,000 \) for retirement in 30
years. Your account earns \( 4 \% \) interest.
a) How much would you need to deposit in the account
each month?
b) How much interest will you earn?
Q:
\( 20 \% \) Calculer le prix de vente d'une marchandise
sachant que son prix d'achat est de CHF 160.-
et le bénéfice réalisé de CHF 40.- ?
\( 200 .- \)
Quel pourcent du prix de vente représente le
bénéfice?
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