Mathematics for IGCSE & O level - Ratio And Proportion (Section 3 - No. 44)
If the scale on a map is 1 cm: 100 m, and a distance on the map is 5.5 cm, which statements are true?
The real-life distance is 550 m.
The real-life distance is 5500 m.
A real-life distance of 200 m would be represented by 2 cm on the map.
A real-life distance of 1000 m would be represented by 10 cm on the map.
Explanation
1 cm = 100 m => 5.5 * 100 = 550 m. and 100m : 1cm, thus 200m: 2 cm. 1000m : 10 cm.
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