The number 500 was increased by 20 percent, and then the result was decreased by 20 percent. What number was obtained?
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- Calculate the second 20 percent from the increased number.
- First multiply 500 by 120 percent, then by 80 percent.
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Answer: 480
After the increase, the result was 500 + 100 = 600. Twenty percent of 600 is 120, so after the decrease the result was 600 − 120 = 480.