Question

please tell me answer fast please I believe brainly and I know this is a app I ever trust and I hope you guys will never break it, a salute to brainly ​

Answer 1

Answer:

(i) lower class limit  =  10

(ii)upper class limit of fourth class = 40

(iii) class mark of 8th class =average= 70+80/2 = 150/2 = 75

(iv)class mark of 5th class = 40+50/2 = 90/2 = 45

i don't know the (5th) and the (6th)

hope it helps!!!!!!

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