Answer:
B
Step-by-step explanation:
Think of each tile along with the grout beside it as a single "unit". Each of these "units" is 0.75 inches + 0.25 inches = 1 inch wide. The table top is 2.5 feet = 30 inches wide.
This means you can fit 30 units across the table top. Since each unit contains one tile, the answer is B.
