Posted by Joe on Thursday, October 7, 2010 at 3:07pm.
A book has N consecutive pages torn out. Suppose A is the last numbered page before the torn out section and B is the forst numbered page following the torn out section. Fins the formula for N in terms of A and B
* Each paper in the book has 2 sides. Each side is one page

algebra  Anonymous, Tuesday, March 17, 2015 at 12:10pm
Cvch