Write $\dfrac34:\dfrac56$ in its simplest whole-number form.[1] A nature reserve covers \(8.4\text

Question

Write $\dfrac34:\dfrac56$ in its simplest whole-number form.[1] A nature reserve covers $8.4\text{ cm}^2$ on a map of scale $1:25\,000$. Find its actual area in square kilometres.[2]

Accepted Answer

(a) $9:10$ (b) $0.525\text{ km}^2$

A ratio and a map area

A ratio and a map area

Solution:

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