Two burgers and one hotdog cost $4.82. At the same price ,one burger and two hotdogs cost $3.70. How much does a hotdog cost?
1 answer:
Hello! Let's use 'x' to represent the cost of the burger, and 'y' to represent the cost of the hotdog. 2x + y = 482 × + 2y = 370 2x + 47 = 740 -3y = -258 y = 86 cents 2x + 86 = 482 2x = 396 x = 198 A burger costs $1.98 and a hot dog costs $.86 I hope this didn't confuse you, I'm not very good at explaining!
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