Answer:
The original price of her purchase is $65.
Explanation:
Given : A store is having a 20%-off sale on all merchandise. If Mai buys one item and saves $13.
To find : What was the original price of her purchase?
Solution :
Let the original price of her purchase is $x.
Now, there is 20% off sale and save $13.
i.e. the equation became
Therefore, the original price of her purchase is $65.