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A09 Math
Question 7
2018 April(A09) Math Question 7
Ratios, Proportions, Percentages, Fractions
- Proportions & Ratios
Choice A
$$XY=5k\\$$ $$YZ=9k \\$$ $$\Rightarrow XZ=14k\\$$ $$\Rightarrow \frac{XY}{XZ}=\frac{5k}{9k}=\frac{5}{9}$$
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