Answer :
Given
Sol bought a refrigerator = $189
sale off = 15%
Find
Price of the refrigerator before the sale?
Explanation
Let price of refrigerator before sale = x
so , 15% of x = 0.15x
according to the question ,
[tex]\begin{gathered} x-0.15x=189 \\ 0.85x=189 \\ x=\frac{189}{0.85} \\ \\ x=222.352941176\approx222.4\approx223 \end{gathered}[/tex]Final Answer
Hence , the price of the refrigerator before the sale is $222.4