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2.01 Simple interest formula

Interactive practice questions

Calculate the simple interest earned on an investment of $\$8760$$8760 at $2%$2% p.a. for $7$7 years.

Give the answer to the nearest cent.

Easy
1min

Calculate the simple interest on a loan of $\$2600$$2600 at $8%$8% p.a. for $4$4 years.

Easy
< 1min

Luke's investment of $\$9000$$9000 earned simple interest of $10%$10% p.a. for the first $4$4 years and $3%$3% p.a. for the next $7$7 years.

Calculate the total amount of interest earned.

Medium
1min

$\$303$$303 is invested at $2%$2% p.a. simple interest for $7$7 years. After this time the principal plus interest is reinvested at $6%$6% p.a. simple interest for $5$5 more years.

Medium
4min
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Outcomes

1.1.5

apply percentage increase or decrease in contexts, including determining the impact of inflation on costs and wages over time, calculating percentage mark-ups and discounts, calculating GST, calculating profit or loss in absolute and percentage terms, and calculating simple and compound interest

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