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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.
45 percent in a fraction is 9/20.
Answer: 45% Work: 20 is decreased to 11 9 = D x 20 --- ---- 20 20 20 divided by 9 = .45 .45 as a percent = 45 %
45 percent can be written as:45%0.4545/100 or 9/20
20 percent is also written as .2 To find 20 percent of 45, multiply 45 by .2 = 9