The length of a car is 4.5 m. A model of it is made and the length of the model is 12.5 cm. Find the scale factor.

asked Sep 27, 2021 91.7k views

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The length of a car is 4.5 m. A model of it is made and the length of the model is 12.5 cm.

Find the scale factor.

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1 vote

4.5 m = 4.5 × 100 = 450 cm
450 ÷ 12.5 = 36
12.5 ÷ 12.5 = 1
450:12.5
ratio simplified is 36:1

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6 votes

Answer: 9:25 ?

Explanation:

4.5 × 2 = 9

12.5 × 2 = 25

4.5:12.5 ratio simplified is 9:25

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