Mathematics, 16.02.2021 19:50 terrysizemore666

7. A group of students takes their math teacher out for lunch. If five have hamburgers and four have hot dogs, the bill will be $19.50. If four have hamburgers and five have hot dogs, the bill will be $18.75.
What is the price of a hamburger and a hot dog?

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7. A group of students takes their math teacher out for lunch. If five have hamburgers and four have...