Solve for the v variable

Will give brainliest summations with algebraic expressions image shown

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

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.