If 30 papers represent 25% of the total tests, then 100% of the total tests would be 120 (30/0.25=120). Therefore, Ms. Quarles has 120 students in total.
n=120
Ms. Quarles gave the same math unit test to all her classes. She grades 25% of the tests, which is 30 papers. How many students does Ms. Quarles have in total?(1 point)
n=_
1 answer