Answer:
19
Step-by-step explanation:
To know how many batches of oatmeal cookies she can make, we need to divide 12 2/3 by 2/3. So, we need to solve the following expression
First, let's convert the mixed number 12 2/3 into a fraction, so:
Now, we can make the division of the fractions as
It means that Tyra can make 19 batches of oatmeal cookies.