A number is increased by 10% and then decreased by 10% find the net increase or decrease
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suppose that the original number is = 100
first increase 10%
100 × 110/100 = 110
then decrease 10%
110 × 90/100 = 99
difference = 100 - 99 = 1
means 1% decrease
suppose that the original number is = 100
first increase 10%
100 × 110/100 = 110
then decrease 10%
110 × 90/100 = 99
difference = 100 - 99 = 1
means 1% decrease
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