A paper = nwl ˜ (1500)(8.5 in)(11 in) =(140,250 in 2 )(2.54 cm/in) 2 (1m / 100cm

Question

Apaper = nwl ˜ (1500)(8.5 in)(11 in) =(140,250 in2)(2.54 cm/in)2(1m / 100cm)2            =90.5 m2 The number of sheets needed is        ( 90.5 m2 / 37m2) 1500        = 613.25 sheets. <-- Where is this number coming from? The division of thetwo numbers multiplied by the number of sheets does not match thisresult. What I am missing here?

YES, it's possible to wallpaper the room with the book.

The number of sheets needed is        ( 90.5 m2 / 37m2) 1500        = 613.25 sheets. <-- Where is this number coming from? The division of thetwo numbers multiplied by the number of sheets does not match thisresult. What I am missing here?

Explanation / Answer

   With all the pages of the book you get 90.5 m2area.    Required area = 37 m2    So, you would have some sheets left over, andsurely it is possible to wallpaper the room with the book. You can do it this way :     Fraction of book required = 37/90.5     So, pages required = 1500 *(37/90.5) =613.25 ~ 614pages.    since that is the fraction of the total no. ofpages multiplied by total pages.    So, you get the pages required.

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