Help again please? LOL I suck at math so it’s really hard for meh

Sheila wants to bake six muffins but the recipe is for 12 muffins . this means you only need half of the ingredients listed how much of the of each ingredient does she need? one cup and banana chips ,7 tablespoons oil , two eggs, 3/4 cups flour 1/4 cup walnuts show all you work and justify your answer using a baby toulmin.

Twelve less than a number is at most 20

The formula for the volume of a right square pyramid is given below, where a is the side length of the base and h is the height.