Scale models with a ratio scale
A scale of 1 : n means every length is n times as long in real life.
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A model uses the scale 1 : 100. A part of the model is 2 cm long. How long is the real part, in cm?
Answer: 200
A model uses the scale 1 : 50. A part of the model is 14 cm long. How long is the real part, in cm?
Answer: 700
A model uses the scale 1 : 100. A part of the model is 5 cm long. How long is the real part, in cm?
Answer: 500
Tip: A scale of 1 : n means every length is n times as long in real life.
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