Given : Brandon buys a radio for $45.99 .sales tax rate is 7%.sales tax is a consumption tax imposed by the government on the sale of goods and services. Let the price of Radio before the sales tax be $x. Sales tax on $x is 7% x. Price before sales tax + Amount of sales tax= Cost of Radio. x+7%x =45.99 Or x+0.07x=45.99 1.07x=45.99 Dividing both sides by 1.07. x= 41.11 Cost of Radio before tax = $41.11 Sales tax paid = 43.99-41.11= 2.88 Tax paid = $2.90 (To nearest cent)