Procedure

1. Find a book (200 or more pages)
2. Fill in the data table by counting book leaves and measuring their thickness in mm. (1 leaf = 2 pages)

3. Number of leaves	Thickness (mm)
   0
   25
   50
   75
   100
   125
   150
   175
   200

4. Plot the graph.

Questions

1. Find the thickness of 164 leaves.
2. Find the thickness of 225 leaves.
3. Find the thickness of 125 pages.