Intro to Distance, Rate & Time Problems

This past weekend I visited my parents. I was on a stretch of highway about five miles from the edge of the small town where they live when I was passed by four cars in the space of a few minutes — which would be understandable had I been going under the speed…

Understanding Exponent Properties

and An Unusual Number Problem

An Unusual Number Problem

Wilfred heard that there is only one number between 2 and 200,000,000,000,000 which is a perfect square, a perfect cube, and a fifth power, and…