Answer:
The original price of her purchase is $65.
Step-by-step 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
[tex]20\%\text{ of }x=13[/tex]
[tex]\frac{20}{100}\times x=13[/tex]
[tex]x=\frac{13\times 100}{20}[/tex]
[tex]x=65[/tex]
Therefore, the original price of her purchase is $65.
