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 rather than in miles per hour. Luckily, Gregory remembers that 1 kilometer equals 1.6 miles and that to convert kilometers to miles, he can multiply the number of kilometers by 0.6214. This method is an example of a problem-solving strategy called:

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