The teacher kept track of how long it took students to finish a test. After 20 minutes, 3 students had finished the test.
How long did it take until 8 students were finished?
A.
10 minutes
B.
50 minutes
C.
60 minutes
D.
80 minutes
How long did it take until 8 students were finished?
A.
10 minutes
B.
50 minutes
C.
60 minutes
D.
80 minutes