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| Question 815359:  Mr. Nguyen is cooking hot dogs and hamburgers to sell at a football game. He expects to sell  a combined total of 60 hot dogs and hamburgers, and that twice as many hot dogs will be purchased.
 Write and solve a system of equations to determine the number of hot dogs and number of hamburgers that Mr. Nguyen should cook.
 Answer by TimothyLamb(4379)
      (Show Source): 
You can put this solution on YOUR website! d + h = 60 d = 2h
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 d + h = 60
 2h + h = 60
 3h = 60
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 h = 20
 d = 40
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