Answer:
Step-by-step explanation:
Discount % = 10 %
Discount price = 10% of marked price = 10% of x
Marked price - discount =SP
[tex]x-\dfrac{10}{100}x=180\\\\\\\dfrac{100}{100}x-\dfrac{10}{100}x=180\\\\\\\dfrac{90}{100}x=180\\\\\\x=180*\dfrac{100}{90}=2*100\\\\\\[/tex]
x= 200
Marked price = 200
