High School

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Shannon is planning to tile a rectangular kitchen countertop that is 24 inches wide and 64 inches long. She determined that 1 tile will be needed for each 4-inch-by-4-inch region. What is the minimum number of tiles needed to completely cover the countertop to its edges?

Select an answer choice:
A. 44
B. 88
C. 96
D. 176
E. 384

Answer :

Option c. Shannon's rectangular countertop has an area of 1,536 square inches, and each tile covers 16 square inches. Therefore, 96 tiles are needed to cover the countertop.

First, calculate the area of the countertop in square inches:

Length = 64 inches

Width = 24 inches

Area = Length × Width = 64 inches × 24 inches = 1,536 square inches

Next, determine the area of one tile:

Each tile covers a 4-inch-by-4-inch region:

Area of one tile = 4 inches × 4 inches = 16 square inches

Now, to find the minimum number of tiles required:

Number of tiles = Total area of the countertop / Area of one tile

Number of tiles = 1,536 square inches / 16 square inches per tile = 96 tiles

Therefore, option c. 96 is the correct answer.

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