The cost of 3 hamburgers and 4 orders of fries is $21.85. The cost of 4 hamburgers and 6 orders of fries is $30.80. Which pair of equations could be used to determine, h, the cost of a hamburger, and f, the cost of an order of fries?
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The equation that can be used to determine, h, the cost of a hamburger, and f, the cost of an order of fries is
3h + 4f = 21.85
3h + 4f = 21.854h + 6f = 30.80
Let
The equation:
3h + 4f = 21.85
4h + 6f = 30.80
Therefore, the correct answer is option A
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