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1. Given the thickness of the textbook covers and the sheets of paper between them, the height of 10 stacked books is 22 cm.

   How high is a stack of 10 books?

   Given the data in the question;

   • Height of front cover of a book = 0.3cm
   • Height of back cover of a book = 0.3cm
   • Height of a sheet of paper between the cover = 0.008cm
   • Number of papers between the cover = 200
   • Height of 10 stacked books = ?

   First we determine the height one book.

   Height of one book =  Height of two covers + Height of 200 sheets of paper between the cover.

   Height of one book = ( 0.3cm + 0.3cm ) + 200( 0.008cm )

   Height of one book = 0.6cm + 1.6cm

   Height of one book = 2.2cm

   Now, height of 10 stacked books will be;

   H = 10 × 2.2cm

   H = 22cm

   Given the thickness of the textbook covers and the sheets of paper between them, the height of 10 stacked books is 22 cm.

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