a.) Perimeter = 2(length + width)
49 = 2(length + 6.5)
length + 6.5 = 49/2 = 24.5
length = 24.5 - 6.5 = 18 ft
b.) Area = length x width = 18 x 6.5 = 117 square ft
c.) 3 feet = 1 yard
(3 x 3) square feet = (1 x 1) square yard
9 square feet = 1 square yard
117 square feet = 117/9 = 13 square yards
Therefore, area = 13 square yards.