Gregory Decides to Drive to Toronto to Visit a College

Multiple Choice

Gregory decides to drive to Toronto to visit a college friend. After crossing the Canadian border, he discovers that the speed limits are posted in kilometers per hour rather than miles per hour. Luckily, Gregory remembers that one kilometer equals 1.6 miles and that to convert kilometers to miles, he can multiply the number of kilometers by 0.6214. This method would be an example of a problem-solving strategy called:

A) a heuristic.
B) an algorithm.
C) insight.
D) trial and error.