A number is increased by 20% and then it is decreased by 10%. Find the net increase or decrease percent .
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• Let the Number be 100.
➟ 100 × (100 + 20)% × (100 - 10)%
➟ 100 × 120% × 90%
➟ 100 × ×
➟ 100 × ×
➟ 1 × 12 × 9
➟ 108%
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