Margins
Weekly Problem 16 - 2008
A 30cm x 40cm page of a book includes a 2cm margin on each side... What percentage of the page is occupied by the margins?
A 30cm x 40cm page of a book includes a 2cm margin on each side... What percentage of the page is occupied by the margins?
Age
11 to 14
Challenge level
Problem
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?
Image
If you liked this question, here is an NRICH task which challenges you to use similar mathematical ideas.
Student Solutions
The area of the page inside the margins is 26cm x 36cm = 936cm ².So the percentage of the page occupied by the margins is 264/1200 x 100% = 22%.