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Margins
Age 11 to 14
ShortChallenge Level 
A 30cm x 40cm page of a book includes a 2cm margin on each side, as shown. What percentage of the page is occupied by the margins?
If you liked this question, here is an NRICH task which challenges you to use similar mathematical ideas.
This problem is taken from the UKMT Mathematical Challenges.
You can find more short problems, arranged by curriculum topic, in our short problems collection.
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