Problem:
Pat Peano has plenty of and , but he has only twenty-two . How far can he number the pages of his scrapbook with these digits?
Answer Choices:
A.
B.
C.
D.
E.
Solution:
Ten are needed in the unit's place in counting to and ten more are used in the ten's place. With the remaining two he can number and and continue all the way to before needing another .
Answer: .
The problems on this page are the property of the MAA's American Mathematics Competitions