A book costs $12.99, and a video game costs $39.99. The sales tax is 8 1/2%. Rounded to the nearest cent, how much more is the tax on the video game than the tax on the book?​

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field