Problem-Solving and Data AnalysisMediumReal length from a house plan
Problem-Solving and Data Analysis practice question
A plan of a house is drawn at a scale of 1 : 50. A wall that is 8 centimetres long on the plan is how many metres long in the actual house?
Answer: 4
8 cm × 50 = 400 cm = 4 m.
Common wrong answers
- If you answered 40
- 40 slips a decimal place.
- If you answered 400
- 400 is the length in centimetres.
- If you answered 0.16
- 0.16 divides 8 by 50.
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