Can someone help me with this

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?

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.