Lukas is planning on putting fencing around his rectangular yard. If his yard measures 205 ft. by 100 ft, and there is a gap of 30 ft for the driveway and front lawn, how many feet of fencing would Lukas need to complete his project?

Solution: 2(205) + 2 (100) - 30 = 410 + 200 - 30 = 580 ft.