Ratio, SM-Bank 054

James found a fly that was 8 mm long in real life.

Calculate the scale used in this scale drawing of the fly. (2 marks)

Show Answers Only

\(7\ :\ 1\)

Show Worked Solution

\(\text{Scale}\)	\(=\text{Scaled length}\ :\ \text{Actual length}\)
	\(=5.6\ \text{cm}\ :\ 8\ \text{mm}\)
	\(=56\ \text{mm}\ :\ 8\ \text{mm}\)
	\(=7\ :\ 1\)