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To find the number that 45 is 20% of, you can set up a proportion. Let x be the unknown number. The proportion would be: 45/x = 20/100. Cross multiply to solve for x: 45 * 100 = 20x. Simplify the equation to find x: 4500 = 20x. Divide both sides by 20 to solve for x: x = 225. Therefore, 45 is 20% of 225.
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45 is 20 percent of what number?
To find the number, you can set up a proportion equation. Let x represent the unknown number. The proportion equation would be: 45/x = 20/100. Cross multiplying gives you 100 * 45 = 20 * x. Simplifying further, you get 4500 = 20x. Dividing both sides by 20, you find x = 225. Therefore, 45 is 20 percent of 225.
What is 45 plus 20 percent?
45 + (20%) = 54
What is 45 minus 20 percent?
20% can be written as 0.2, if you meant 45 - 0.2 that equals 44.8 If you meant 45 minus 20 percent of 45, then 45-(45 x 0.2) equals 36
How do you write 45 percent as a fraction and a decimal?
45 percent as a fraction is 45/100 or 9/20. 45 percent as a decimal is 0.45.
What is 10 percent of 4.5 percent?
10% of 45 is 4.5 .1 x 45 When doing 10% of something, move the decimal to the left once.
