Simple Interest
$5500 is invested at 8.5% p.a. simple interest for 4 years. How much interest is earned?
$1870
$5000 is invested with interest compounded annually at 5.5% p.a. for 9 years. What is the final value of the investment? Round to 2 d.p.
$8095.47
A snow board is priced at $930. If inflation is 4.8% p.a., estimate the cost after 2 years. Round to the nearest cent.
$1021.42
$21000 is borrowed at 6.5% p.a. simple interest for 30 months. How much interest is owed?
$3412.50
$2700 is invested with interest compounded annually at 6.7% p.a. for 25 months. How much interest is earned? Round to 2 d.p.
$390.58
An iPhone initially purchased for $1450 depreciates at 19% p.a. straight-line depreciation. What is its value after 3 years? Round to the nearest cent.
$623.50
You have $3500, and want to earn $800 interest in 6 and a half years time. What rate of simple interest do you need? Round to 1 d.p.
3.5% p.a.
$10000 is invested with interested compounded quarterly at 5.9% p.a. What is the value of the investment after 4 years and 3 months? Round to 2 d.p.
$12826.38
A car purchased for $25 000 depreciates at 23% p.a. reducing-value depreciation. By how much does it depreciate after 65 months? Round to 2 d.p.
$18931.27
For how long should you invest $10,000 at 4.3% p.a. simple interest to have $17,200 in total? Round to the nearest month.
16 years and 9 months
How much should you invest if you want to collect a total of $17000 after five years with interest compounded monthly at 3.8% p.a.? Round to 2 d.p.
$14062.53
A barbeque is initially valued at $550. If inflation is 3.5% p.a. in the first year, and 5.1% p.a. in the second year, what is its value at the end of the two years? Round to 2 d.p.
$598.28
How much can I borrow now if I know I can pay up to $7000 total in 10 years time at 11.2% simple interest? Round to 2 d.p.
$3301.89
I have $1300 to invest and want to earn $700, with interest compounded fortnightly at 5% p.a. For how long should I invest? Round to the nearest month.
8 years and 7 months
A bike depreciates in value at 17% p.a. reducing-value depreciation. If it depreciates by $370.80 after 2 and a half years, what was its initial value? Round to 2 d.p.
$995.75