A competition problem requires one hour to fully develop (write, proofread, edit, and typeset). This problem is then given to 30
2 answers:
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Yesterday's price of notebook = $3.45
Today's price of notebook = $3.20
We have to determine the percentage decrease in the cost of notebook.
Percentage decrease = (Decrease Old price)
So, percentage decrease =
=
= 7.246%
= 7.25%
Therefore, there is 7.25% of decrease in the cost of the notebook.