Increase 45 by 20 percent

Answer 1

To increase 45 by 20 percent, you first calculate 20 percent of 45 by multiplying 45 by 0.20, which equals 9. Then, you add this result to the original number: 45 + 9 = 54. Therefore, increasing 45 by 20 percent results in 54.

Answer 2

Increasing 45 by 20% is: an increase of 9 for a total of 54.