Question

Brittany wants to make cookies for the whole fourth grade one batch of dough makes 2 dozen cookies. There are 68 fourth grades at her school. Is it reasonable to say that brittany will need more than two batches of dough

Answer 1

2 dozen = 24 (1 batch)
4 dozen = 48 (2 batches)
6 dozen = 72 (3 batches)

Answer 2

you will need three batches of cookie dough to make enough for the the class of 68 students.