alleryA model has a scale of 1:100. A wall is 5 cm long on the model. How long is the real wall?
A50 cm
B500 cm
C5 cm
D20 cm
Answer & Solution
Correct answer: B. 500 cm
1. A scale of 1:100 means 1 unit on the model is 100 units on the original.
2. Real length = 5 x 100 = 500 cm, which is 5 m.
3. 50 cm would be a scale of 1:10.
_Source: Wikipedia, Scale (ratio), lead section_
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