Question

if 3a = b then find a and b, draw frequency polygon
MARKS
0-20
20-40
40-60
60-80
80-100
TOTAL
100
No. of students
56
0​

Answer 1

Answer:

refer to the book of class 9th of icse digest

frank publication lesson no.19

Answer 2

Answer:

3a = b

a = b/3

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