Question
A backpack normally costs $\$ 25$ but it is on sale for $\$ 21 .$ What percentage is the discount?
Step 1
We know that the backpack is on sale for $21, so we can write this as a percentage of the original price. We can do this by dividing the sale price by the original price. In mathematical terms, this can be written as: \[x = \frac{21}{25}\] Show more…
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