HSC Together General Maths: Problem Solving with Compound Interest

#### General Maths

• Bivariate Data Analysis
• Time Series Analysis
• Growth and Decay in Sequences
• Earth Geometry and Time Zones
• Loans, Investments and Annuities
• Graphs and Networks
• Networks and Decision Mathematics
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# Problem Solving with Compound Interest

### Solving Investment Problems

The following post will go through a variety of different videos that show you problem solving with compound interest in QCE General Maths, specifically focusing on:

• Calculating future value and interest earned using the Compound Interest Formula
• Practical examples involving rearranging the formula
• Examples where it is not compounded annually, e.g. fortnightly, monthly, quarterly compounds.

## How to calculate future value and the interest earned

The following videos explain how to calculate the future value and the interest earned using the compound interest formula

## Practical example – rearrange the formula

The following video explains how to calculate how much you may need to invest to reach \$x by rearranging the formula.

## Examples where it is not compounded annually

The following video explains how to solve problems that are not compounded annually.

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