If there is 16 tablespoons in a cup how many are three fourths of cup?

If there are 16 tablespoons in a cup, then three-fourths of a cup would be:

$$\frac{3}{4} \text{ cup} \times \frac{16 \text{ tablespoons}}{1 \text{ cup}} = 12 \text{ tablespoons}$$

Therefore, three-fourths of a cup is equal to 12 tablespoons.