6 In New York state sales tax rates vary by county In Allegany County the sales tax rate is 8 a A book costs 12 99 and a video game costs 39 99 Rounded to the nearest cent how much more is the tax on the video game than the tax on the book b Using n to represent the cost of an item in dollars before tax and t to represent the amount of sales tax in dollars for that item write an equation to show the relationship between n and t c Using your equation create a table that includes five possible pairs of solutions to the equation Label each column appropriately