Question

The thickness of a book of 225 pages is 4.2cm including the cover pages. What is the thickness of one page of the book, if each of cover page is 3mm thick

Answer 1

Answer:

Step-by-step explanation:

1 cm = 10 mm

So, 4.2 cm = 42 mm

Thickness of one cover page = 3 mm

As, a book has 2 cover pages,

=> 3*2 = 6 mm

So, thickness of 225 pages,

=> 42-6 = 36 mm

Thickness of one page,

=> 36/225

=> 0.16 mm

Answer 2

Answer:

Thickness of one page,

=> 36/225

=> 0.16 mm

Step-by-step explanation:

1 cm = 10 mm

So, 4.2 cm = 42 mm

Thickness of one cover page = 3 mm

As, a book has 2 cover pages,

=> 3*2 = 6 mm

So, thickness of 225 pages,

=> 42-6 = 36 mm

Thickness of one page,

=> 36/225

=> 0.16 mm