SOLUTION: The Olympics have been held a total of 21 times in North America, Europe and Asia. The number of North American sites is 5 more than the total number of sites in Europe and Asia.

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: The Olympics have been held a total of 21 times in North America, Europe and Asia. The number of North American sites is 5 more than the total number of sites in Europe and Asia.      Log On


   

Question 1130546: The Olympics have been held a total of 21 times in North America, Europe and Asia. The number of North American sites is 5 more than the total number of sites in Europe and Asia. There are four more sites in Europe than in Asia. Find the number of Olympics sites each continent has held.


Answer by math_helper(2461) About Me  (Show Source):
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Let x = number of sites in Asia
Asia sites + European sites + North American sites = 21
x + (x+4) + ((x+4)+x)+5 = 21
4x + 13 = 21
4x = 8
x = 2 --> x+4 = 6, x+4+x+5 = 2x+9 = 13
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Ans: 2 sites in Asia, 6 in Europe, 13 in N. America
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