5% of 60 is___ help.
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After the store gives 20% off sale, the expression of the item at price p can be written as, p-0.2=0.8p.
Given to us
A store is having a 20% off sale.
The sale price of an item with price p is p – 0. 2p.
<h3>What is the total price of the item?</h3>We know that for any item the price can be 100%(1.00) of itself, therefore, the price of the item will be p.
<h3>What is the expression is equivalent to?</h3>We know that for any item the price can be 100%(1), therefore, after giving 20%(0.2) off sale, the price will be 80%(1-0.2 = 0.8) of the original.
Thus, the expression is equivalent to
Hence, after the store gives 20% off sale, the expression of the item at price p can be written as, p-0.2=0.8p.
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