8. The graph shows the relationship between the United States dollar and the euro, the currency of the European Union, in December 2011. Part A: What is the constant of proportionality shown in the graph? Exchange Rate (December 6, 2011) (400, 300) 300 200 (250, 187.50) 100 (120, 90) 100 200 300 400 1 Number of US dollars Number of euros

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Q: Identify the proportional relationshi

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Q: have

A: Please refer to the image below