Mrs Tan sold $$200$$ cookies in a day. She sold $$\frac{1}{5}$$ of the cookies in the morning and $$\frac{3}{4}$$ of the remainder in the afternoon. How many cookies did she sell in the afternoon?  Pip\textquotesingle s answer:~$200\times\dfrac{1}{5}\times\dfrac{3}{4}=30$ 
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