It said in the question how do we solve of the side b

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?

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20