Multiple choice

A number is increased by 40 % and then decreased by 40 %. Find the net increase or decrease percent.

  1. $16$%
  2. $4$%
  3. $10$%
  4. $5$%
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A Correct answer
Explanation

Net change = (x^2 / 100)% decrease. (40^2 / 100) = 1600 / 100 = 16% decrease.

AI explanation

Using the net percentage change formula for an increase of 40% and a decrease of 40%, calculate 40 minus 40 minus 40 times 40 divided by 100. This equals zero minus 16, resulting in a 16% decrease.

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