Answer:
2.5 batches of cookies.
Step-by-step explanation:
1/4 of a batch is .25 and she can make that in 1/10 of an hr.
There are 6 batches she can make in 1 hr. .10*60=6
Then you would take the size of batch .25 and multiply it by the batches that can be made in an HR (6).
.25*6=2.5
