Tourism in the 1990s In the 1990s, significant numbers of tourists traveled from North America and Asia to Australia and South Africa. In 1998 a total of 2,230,000 of these tourists visited Australia, while 390,000 of them visited South Africa. Also, 630,000 of these tourists came from North America, and a total of 2,620,000 tourists traveled from these two regions to these two destinations.23 (Assume that no single tourist visited both destinations or traveled from both North America and Asia.)
a. The given information is not sufficient to determine the number of tourists from each region to each destination. Why?
b. If you were given the additional information that a total of 1,990,000 tourists came from Asia, would you now be able to determine the number of tourists from each region to each destination? If so, what are these numbers?
c. If you were given the additional information that 200,000 tourists visited South Africa from Asia, would you now be able to determine the number of tourists from each region to each destination? If so, what are these numbers?
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