Grady marks down some $2.49 pens to $1.99 for a week and then marks them back up to $2.49.Find the percent of decrease and then the percent of increase to the nearest tenth. Separate your answers with a comma.

The numbers on a football field indicate 10 yard increments. you walk around the perimeter of a football field between the pylons. you walk a distance of 30623 yards. find the area and perimeter of the indicated regions. write your answers as mixed numbers, if necessary. a. one end zone: perimeter: yd area: yd2 b. the playing field (not including end zones): perimeter: yd area: yd2 c. the playing field (including end zones): perimeter: yd area: yd2