What is the most specific name of the three-dimensional shape?

You can find the constant of proportionality by finding the ratio of

Alana has 12.5 cups of flour with which she is baking four loaves of raisin bread and one large pretzel. the pretzel requires 2.5 cups of flour to make. how much flour is in each loaf of raisin bread? explain the steps to follow to get the answer.

For what value of (y) is 3^3/3^y =1/9