What is the area in square inches of a barrier measuring 60 inches wide by 85 inches long for an item packaged under Method 51?

To find the area of a barrier, you multiply the width by the length. In this case, the barrier measures 60 inches in width and 85 inches in length.

Calculating the area involves this simple multiplication:

Area = Width × Length Area = 60 inches × 85 inches

Performing the multiplication:

60 × 85 = 5,100 square inches.

Thus, the area of the barrier is 5,100 square inches, which corresponds to the correct choice. This calculation is essential for determining the amount of material needed for preservation and packing, as it directly impacts how the item will be protected during transportation or storage.