Math

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In the 2010 Winter Olympics, Germany, Canada, and the United States won a combined 
total of 93 medals. Germany won seven fewer medals than the United States, while 
Canada won 11 fewer medals than the United States. How many medals did each 
country win? 
a.  Give the system of equations that describes this situation. 
b. Solve it using the Gauss-Jordan elimination method as described and 
demonstrated in class.
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