Mathematics for IGCSE & O level - Ratio And Proportion (Section 2 - No. 7)
A model car is built to a scale of 1:20. If the actual car is 4 meters long, what is the length of the model in centimeters?
2 cm
20 cm
0.2 cm
200 cm
Explanation
4 meters is 400cm. 400/20=20cm
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