Question

Question as shown below in the image:​

Answer 1

E: 22%

Explanation:

Area of the whole page:

30 × 40 = 1200cm²

Area of inner page (excluding margins):

(30-4) × (40-4) = 26 × 36

= 936cm²

Area of margins:

1200 - 936 = 264

To find percentage:
`(264)/(1200)` × 100 = 22%