Question
Hilda made some cookies and ate 23. Her father gave her 28 more and Hilda brought 21 cookies to work. In the end, she was left with 57 cookies. How many cookies did Hilda make?
3 m

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Hilda made some cookies and ate 23. Her father gave her 28 more and Hilda brought 21 cookies to work. In the end, she was left with 57 cookies. How many cookies did Hilda make?