It's a quiz so help, thank you !

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?

Which expression will have the same sum as 3_8 + 1/4?

Solve the inequality and graph 6j - 7 < 5