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You and a friend are in Paris at a cafe and a local boy orders a cup of coffee and a croissant for 5.30 Euro. When you and your friend get 2 cups of coffee and 2 croissants, you are charged 14 Euro. Can we solve for the price of a cup of coffee and a croissant using this information in a system of linear equations in two variable? If yes, what is the solution? If no, what is the reason we can not? Show your work

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Answer:

no. 1) 5.30 multiplied by 2 equals, 10.60, evidently, the proprietors of this establishment are taking advantage of tourists.

2) this question of solving for the price of a cup of coffee and a croissant is vague. are you asking the individual price of coffee and croissant? we've been given the price of a cup of coffee and croissant, combined, 5.30. if you're asking for individual pricing, no, we would need to know the price of a cup of coffee or a croissant, we need one to solve for the other. if you're asking the price of a cup of coffee and a croissant, then you've been given that already, 5.30.

so, no, there's not enough information to formulate a linear equation to solve for, X.

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