Use the graph to determine the difference in the percentage of students who have dogs

for pets and the percentage of students who have hamsters for pets. Round the
percentages to the tenths place.
(1 point)
The difference in the percentage of students who have dogs for pets and the percentage
of students who have hamsters for pets is 30.4%.
The difference in the percentage of students who have dogs for pets and the percentage
of students who have hamsters for pets is 21.8%.
The difference in the percentage of students who have dogs for pets and the percentage
of students who have hamsters for pets is 34.8%.
The difference in the percentage of students who have dogs for pets and the percentage
of students who have hamsters for pets is 31%.

The correct answer is:

The difference in the percentage of students who have dogs for pets and the percentage of students who have hamsters for pets is 30.4%.