The income of Thomas was increased by 20% and later decreased by 20% .Work out the total change of percentage of his income.

Answers (1)

Let his initial  income was rs 100

after 20% increment it become 120

now it decrease by 20% income will become = 120- 20% of 120

= 120 - 24 =96

Total decrease in income = 100-96=4

So, %age of decrease = 4%

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