A number is increased by 20percent and then decreased by 20percent. Find the net increased or decreased per cent
Please take x as number
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Let the no be x
no after increasing =x × 120/100
=6x/5
No after decreasing =6x/5 × 80/100
=24x/25
net change = increase by (difference /initial ×100)
=6x/5 - 24x/25
=30x/25 -24x/25
= 6x/25
percent= (6x/25) / x ×100
=24%
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