Math, asked by yugraj724, 1 year ago

a number is increased by 20% and then decreased by 20%. find the net increase or decrease per cent ​

Answers

Answered by knarasimhaswamy
1

Answer:

let the number be x.

when increased by 20% it becomes 1.2x.

when this is decreased by 20%, it becomes 1.2 (0.8)x = 0.96x.

so it is decreased.

the decrease is 0.04x

. that is 4%

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