A man's salary was raised by 10% and then reduced by 10%. Find the percentage change in his salary.

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Solution

first increased by 10% and then decreased by 10%

let his salary be 100

10% = 10/100 = 1/10

so 10% of 100 = 10

new salary after increase= 100 + 10 = 110..

now 10% of 110 is 11

so new salary after decrease is 110 -11 = 99

1 loss on 100 means 1%

Percentage change=1%

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A man's salary was raised by 10% and then reduced by 10%. Find the percentage change in his salary.

first increased by 10% and then decreased by 10% let his salary be 100 10% = 10/100 = 1/10 so 10% of 100 = 10 new salary after increase= 100 + 10 = 110.. now 10% of 110 is 11 so new salary after decrease is 110 -11 = 99 1 loss on 100 means 1% Percentage change=1%

first increased by 10% and then decreased by 10%

let his salary be 100

10% = 10/100 = 1/10

so 10% of 100 = 10

new salary after increase= 100 + 10 = 110..

now 10% of 110 is 11

so new salary after decrease is 110 -11 = 99

1 loss on 100 means 1%

Percentage change=1%