ayengrachickn ayengrachickn

20-10-2016
Mathematics

contestada

A particular english class has 40 students. as the students leave the room, only 28 students are left after three seconds. what is the rate of change of the number of students in the classroom each second?

Respuesta :

24-10-2016

Student who gone from class within 3 sec = 12

within 1 sec, it would be 12/3 = 4

So, your answer is 4

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