#### Answer

She paid 183.96 dollars for the TV.

#### Work Step by Step

We use this guideline to solve this problem.
Original selling price - Discount = Discount sale price
So, 229.95 - 20% $\times$ 229.95 = Discount sale price
229.95 - .2 $\times$ 229.95 = Discount sale price
229.95 - 45.99 = Discount sale price
183.96 = Discount price
She paid 183.96 dollars for the TV.