The floor of a rectangular room will be tiled with square tiles that measure 3 inches on each side. the room is 109 inches long and 103 inches wide. how many tiles, including parts of tiles, are needed to complete the job?

a. 1,248 tiles

b. 1,247 tiles

c. 1,224 tiles

d. 1,295 tiles

B. 1,247 tiles

Step-by-step explanation:

Given :

The length of the rectangular room = 109 inches,

Its width = 103 inches,

Since, the area of a rectangle = Length × Width,

Thus, the area of the floor = 109 × 103 = 11227 in²,

Now, the side of a square tile = 3 inches,

And, The area of a square = (Side)²,

So, the area of the tile = (3)² = 9 in²

Hence,

Hence, 1247 tiles are needed.

Option B. 1,247 tiles

Step-by-step explanation:

Length of the room = 109 inches

Width of the room = 103 inches

Area of the rectangular room = Length × width

                                                 = 109 × 103 = 11,227 inches²

Area of the square tile = 3² = 9 inches

Tiles required for the room =

                                             = 1,247 tiles

1,247 tiles needed to complete the job.

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