Question
Risa baked some cookies and packed them into boxes for her friends. Each box can hold 7 vanilla cookies and 3 cheese cookies. She packed a total of 70 vanilla cookies. How many cheese cookies did she pack altogether?
4 m

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Risa baked some cookies and packed them into boxes for her friends. Each box can hold 7 vanilla cookies and 3 cheese cookies. She packed a total of 70 vanilla cookies. How many cheese cookies did she pack altogether?