Humphrey's Phone Number
Library Home || Primary || Math Fundamentals || Pre-Algebra ||
Algebra || Geometry || Discrete Math || Trig/Calc
|Algebra, difficulty level 3. Figure out Humphrey's 10-digit phone number given various clues about the divisibility of parts of his number.|
|Please Note: Use of the following materials requires membership. Please see the Problem of the Week membership page for more information.|
© 1994-2012 Drexel University. All rights reserved.
The Math Forum is a research and educational enterprise of the Drexel University School of Education.