Final answer:
The area of the rectangle is 6 7/40 square yards.
Step-by-step explanation:
To find the area of a rectangle, we multiply its length by its width. In this case, the length is 3 1/8 yards and the width is 2 1/5 yards. To multiply fractions, we multiply the numerators together and the denominators together.
So, the area of the rectangle is (25/8) * (11/5) = 275/40 = 6 7/40 square yards.
Therefore, the correct answer is b) 6 7/40 square yards.