Math, asked by gst291982, 2 months ago

Find the number of chapters in maths if it decreased by 12% gives 22.

Answers

Answered by niranjanbehera2006

1

Answer:

Let the number be m.

Decrease =12% of m

decrease number =m–

25

3m

=

25

25m–3m

=

25

22m

According to the question

25

22m

=198

⇒22m=198×25

⇒m=

22

4950

=225

∴ the number is 225

Step-by-step explanation:

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