Question

A rectangular table has a border of same-sized square tiles. The rectangle has 10 tiles along the length and 6 tiles along the width for a total of 28 total tiles. Notice that 10 + 10 + 6 + 6 ≠ 28. If the rectangular table has L tiles along the length and W tiles along the width, which of the following expressions represents the total number of tiles in the border?
l. 2l + 2w
II. 2l + 2w + 4
III. 2l + 2w - 4
IV. 2(1-2) + 2(w-2)+4

A. I only B. II and IV only C. III only D. III and IV only

Answer 1

Answer:

IV. 2(1-2) + 2(w-2)+4

Step-by-step explanation:

III. 2l + 2w - 4