What expression is modeled above?

Keira is baking cookies. Her recipe calls for  $\frac{2}{3}$  of a cup of milk. Keira decides she wants to make 3 times the recipe. How much milk is needed?

Miss Mayra is having a taco party. She uses $\frac{1}{5}$ pound of beef for each taco. If she plans on making 25 tacos, how much beef will she need? 

It takes  $\frac{1}{2}$  cup of butter to bake a batch of banana bread. How many cups of butter will it take to bake 6 batches of banana bread?

Nathan Appleseed planted 10 rows of vegetables. Of the rows he planted,  $\frac{3}{5}$  were peppers. How many rows of peppers did Nathan Appleseed plant?

 $\frac{3}{4}$  x 12