Jayden wants to lay sod on his front yard and on half of his back yard. His front yard has a length of 60 feet and a width of 80 feet. His back yard has a length of 10 feet and a width of 40 feet. How many square feet of sod does Jayden need to purchase? OA. 2,800 square feet OB. 4,900 square feet OC. 5,200 square feet OD. 5,000 square feet