Give an example of a rational number

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?

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?