Question

The council decides that contestants
for Who Wants to Be Rich? will be
chosen by a random drawing.
Students and guests at the fundraiser
will buy tickets like the one at right.
The purchaser will keep half of the
ticket and add the other half to the
entries for the drawing.

a. To make the tickets, council members will take a large piece of
paper and fold it in half many times to make a grid of small
rectangles. How many rectangles will there be after n folds?