The teacher kept track of how long it took students to finish a test. After 20 minutes, 3 students had finished the test.

How many students were finished after 70 minutes?

A.
7

B.
8

C.
9

D.
10

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 many students were finished after 70 minutes?
  

 
 A.
7
 
 B.
8
 
 C.
9
 
 D.
10

anonymous · Answer

http://static.k12.com/calms_media/media/1428500_1429000/1428907/1/05629760267b2799db35b3a72b0de76361696de5/Math_Yellow_131030_151127.jpg

anonymous · Answer

If you look in that graph and take a look at the time (x axis) and go to 70 mins you will see  that 9 students were done with their test