Question:
Sofie had some cupcakes. She had 72 more chocolate cupcakes than red velvet cupcakes. She has 36 fewer blueberry cupcakes than red velvet cupcakes. After selling 1/6 of the chocolate cupcakes, 2/3 of the red velvet cupcakes and 7/9 of the blueberry cupcakes, Sofie had 427 cupcakes left altogether. How many chocolate cupcakes did Sofie sell?
Solution:
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