To find the unit rate of muffins per cup of almonds, we divide the total number of muffins by the total number of cups of almonds.
Muffins = 36
Cups of almonds = 4
Unit rate = Muffins / Cups of almonds = 36 muffins / 4 cups = 9 muffins per cup.
So, the unit rate is 9 muffins per cup of almonds.