Ratio, SM-Bank 046 Determine the scale factor if a length of 3 centimetres on a map represents an actual length of 2.4 kilometres. (2 marks) --- 5 WORK AREA LINES (style=lined) --- Show Answers Only \(80\ 000\) Show Worked Solution \(\text{Scale ratio}\) \(=3\ \text{cm}\ :\ 2.4\ \text{km}\) \(=3\ \text{cm}\ :\ 240\ 000\ \text{cm}\) \(=1\ :\ 80\ 000\) \(\text{Scale factor}\) \(=80\ 000\)