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Mystery Box SE.4 Systems of Equations

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LAUNCH Recall how you solved “Coin Quandary” 2

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Mystery Box You will get a box with two types of erasers. Star erasers that cost 4¢ each Pencil top erasers that cost 3¢ each

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Mystery Box

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©Evergreen Public Schools Debrief In the system of equations, you wrote two equations. What does each equation count? When defining your variables, you need to be more specific than “x = star erasers”. What do you need to add to your definition of x ?

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