Question 1094424: The concession stand at a school basketball tournament sells hot dogs, hamburgers, and chicken sandwiches.
During one game, the stand sold 16 hot dogs, 14 hamburgers, and 8 chicken sandwiches for a total of $117.50. During a second game, the stand sold 10 hot dogs, 13 hamburgers, and 5 chicken sandwiches for a total of $87.25. During a third game, the stand sold 4 hot dogs, 7 hamburgers, and 7 chicken sandwiches for a total of $63.25. Determine the price of each product.
Answer by richwmiller(17219)   (Show Source):
You can put this solution on YOUR website! Here are the three equations.
16hd+14hb+8cs=117.50
10hd+13hb+5cs=87
4hd+7hb+7cs=63.25
or as a matrix
16 14 8 | 117.5
10 13 5 | 87
4 7 7 | 63.25
You can use substitution, elimination or matrices to solve
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