Can someone answer this question please answer it correctly if it’s corect I will mark you brainliest

Determine the relationship of ab and cd given the following points

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?

Can someone me with this problem i don't understand i need