Please help me!
[One Step Inequalities]

Consider the diagram. which line segment has the same measure as st? rx tx sr xs

Amuffin recipe, which yields 12 muffins, calls for cup of milk for every 1 cups of flour. the same recipe calls for cup of coconut for every cup of chopped apple. to yield a batch of 30 muffins, how much flour will be needed in the mix?

Anyone know? is appreciated! will mark brainliest if correct!