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Answer :

As given by the question

There are given that the value of notecards is 250

Now,

According to the question, in a pack total of 100 cards

So,

[tex]\begin{gathered} 1\text{ pack=100} \\ 2\text{pack}=200 \\ 2.5\text{ pack=250} \end{gathered}[/tex]

Hence, a 2.5 pack should be bought.

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