The city of Green Valley, Arizona, is trying to determine where to locate a new fire station. The fire station is expected to serve four neighborhoods. The locations and number of homes in the neighborhoods are as follows:
a. Calculate the weighted center of gravity for the new ﬁre station, based on the information provided.
b. What other factors (e.g., zoning laws, maximum response time) might come into play when making the ﬁnal decision?