Bio Fach, Germanys biggest ecologically sound consumer goods trade fair, had 21,960
Chapter 1, Problem 40(choose chapter or problem)
Bio Fach, Germanys biggest ecologically sound consumer goods trade fair, had 21,960 visitors. This figure was up from 18,090 the previous year and 16,300 two years earlier. What is the increase in visitors to Bio Fach from two years earlier to the present?
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