What is the class mark of 20 to 30 what is the class mark of 20 to 30
Answers
Answered by
5
Answer:
9
Step-by-step explanation:
20 and 30 between had 9
hope it help to you
Answered by
6
Answer:
20+30/2,
50/2
=25
25 is the class mark of the given
limits
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