explanation: 1/3=2/6 is multiplied by 2 in the numarator and the denominator but in 1/6=3/6 you multiply only the numerator by 3
Student who gone from class within 3 sec = 12
within 1 sec, it would be 12/3 = 4
So, your answer is 4
are there multiple choice answers because i can help with those.
