Question

6. Class mark of the class interval
90 - 120 is *​

Answer 1

Answer:

90 - 120 is 30 and your class interval is 25 percent

Answer 2

Answer:

$= 90 - 120 \\ = -30$

Or If we order it then

Step-by-step explanation:

$= 120 - 90 \\ = 30$

So the write answer is 30 or -30