Question

directions: write the expression(s).

1. jacob is tiling his square wall with square tiles. he is able to fit 5 tiles up and 5 tiles across. if each tile has a length of 3b, what is the perimeter of the wall?

Explanation:

Step1: Find the side length of the wall

Since there are 5 tiles up and 5 tiles across, and each tile has length \( 3b \), the side length of the square wall is \( 5\times3b = 15b \).

Step2: Calculate the perimeter of the square wall

The formula for the perimeter of a square is \( P = 4s \), where \( s \) is the side length. Substituting \( s = 15b \) into the formula, we get \( P = 4\times15b = 60b \).

Answer:

The perimeter of the wall is \( 60b \).