Question

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

Answer 1

so if they all took the same rate then
20 minutes=3 students
divideb y 3
6 1/6 min=1 student
multply by 8
48 and 8/6=8 student=49 and 2/6=49 and 1/3 min=49 min and 20 seconds


the answer is B 50 minutes