Assignment:
In the following problem, answer the given questions that relate to percentages.
Percentages in Media and Advertising
a. A New York Times editorial criticized a chart caption that described a dental rinse as one that "reduces plaque on teeth by over 300%." What is wrong with that statement?
b. In the New York Times Magazine, a report about the decline of Western investment in Kenya included this: "After years of daily flights, Lufthansa and Air France had halted passenger service. Foreign investment fell 500 percent during the 1990's." What is wrong with this statement?
c. In an ad for the Club, a device used to discourage car thefts, it was stated that "The Club reduces car theft by 400%." What is wrong with this statement?
Provide complete and step by step solution for the question and show calculations and use formulas.