Mathematics for IGCSE & O level - Ratio And Proportion (Section 6 - No. 29)
A model car has a length of 15 cm, while the real car is 4.5 m long. Which statements are true?
The scale is 1:30.
The scale is 1:300.
The model is 30 times smaller than the real car.
The model is 300 times smaller than the real car.
Explicació
4.5 m = 450 cm. Scale = 15:450 = 1:30. The model is 30 times smaller