First things first a dozen means 12 so, multiply 4 and 12 to get 48.
So there are 48 muffins.
48bx2.99 b=bagles
16mx3.29 m=muffins
Next multiple 48 and 2.99 which gives you 143.52
Now multiple 16 and 3.29 which would give you 52.64
Now add 143.53 and 52.64 which will give you 196.16
Your answer is: 196.16