Question

Three sodas and one hamburger cost $4.50. Two sodas and 2 hamburgers cost $4.00. One soda costs:

Answer 1

Answer:

Step-by-step explanation:

let soda be x

let hamburger be y

3x + y = 4.5$

2x + 2y = 4$

2(x + y) = 4$

x + y = 2$

3x + y - (x + y) = 4.5$ - 2$

3x + y - (x + y) = 2.5$

3x + y - x - y = 2.5$

2x = 2.5$

x = 1.25$

y = 0.75$

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Answer 2

Answer:

one soda =1

Step-by-step explanation:

3x + 1y =4.5

1y=1.5

3x=3

x=1