Question
Diana has enough flour to bake either 9c cookies or 21 biscuits. If she has finished baking 3c cookies and 7 biscuits, how many more cookies can she still bake in terms of c?
2 m

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Diana has enough flour to bake either 9c cookies or 21 biscuits. If she has finished baking 3c cookies and 7 biscuits, how many more cookies can she still bake in terms of c?