sarah is baking cookies for a school fundraiser .She has already baked 3 1/2 dozen cookies .Today she baked another 2 3/4 dozen cookies .Additionally ,shw found leftover dough in the fridge that measured 5/6 of a dozen .How many dozen cookies have Sarah baked?

Respuesta :

Answer:

Step-by-step explanation:

3 1/2+2 3/4+5/6=7 1/12