Question

a classroom board is 24 inches wide and 16 inches tall. david is putting ribbon along the outside edge of the board. how many inches of ribbon will he need? 16 inches 24 inches a 104 inches b 65 inches c 80 inches d 40 inches

Explanation:

Step1: Recall the perimeter formula

The perimeter of a rectangle is \(P = 2(l + w)\), where \(l\) is length and \(w\) is width.

Step2: Substitute values

Here \(l = 24\) inches and \(w = 16\) inches. So \(P=2(24 + 16)\).

Step3: Calculate inside the parentheses

\(24+16 = 40\). Then \(P = 2\times40\).

Step4: Final calculation

\(2\times40=80\) inches.

Answer:

C. 80 inches