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Question 105

Which statements use their stated scale and metric units correctly? Select all that apply.

  1. At 1:500, a 7 centimetre model length represents 35 metres.Correct answer
  2. At 1:25,000, 12 centimetres on a map represents 3 kilometres.Correct answer
  3. At 1:200, a real length of 5 metres appears as 2.5 centimetres.Correct answer
  4. At 1:50,000, 1.4 centimetres on a map represents 7 kilometres.

Explanation

At 1:500, 7 centimetres scales to 3,500 centimetres, which is 35 metres; at 1:25,000, 12 centimetres scales to 300,000 centimetres, which is 3 kilometres; and at 1:200, 5 metres is 500 centimetres, appearing as 2.5 centimetres - each of those claims is consistent. The 1:50,000 claim is the unit slip: 1.4 centimetres scales to 70,000 centimetres, which is 0.7 kilometres, not 7.

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Question 105: Which statements use their stated scale and metric units… · Ratios and Proportions · Questena