Question

The scale is 1 cm : 4 m.

1. show me your proportion
2. Model : 30 cm . Find the actual dimension.

Answer 1

7.5 cm: 30 cm

Explanation:

The scale is 1 cm: 4cm which is 1/4. The next one would be 7.5 cm: 30 cm because that is also equal to 1/4.