Answer: 30 rolls can be made from Rosa's dough.
Step-by-step explanation: Given that Rosa has
of dough and she uses
for one roll.
We are to find the number of rolls that can be made from Rosa's dough.
Given that Rosa uses
for one roll. So, the total number of rolls that can be made by
of dough will be

Thus, 30 rolls can be made from Rosa's dough.