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13.12.2020 • 
Mathematics

Mari made some treats for a bake sale. When she finished baking, she had 4 more cupcakes than brownies. She had twice as many cookies as cupcakes. Altogether, she had 108 treats. Define a variable, write an equation, and solve the equation, showing algebraic steps. Then state how many cupcakes, brownies, and cookies Mari made.

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