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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.

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Well 20% is 1/5 so to get to 100% you need to multiply by 5: 20% x 5 = 100% and 45 x 5 = 225

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Wiki User

15y ago
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what number is 20% of 45

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Wiki User

12y ago
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45

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Ellie Terrazo

Lvl 2
1y ago
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Q: 45 is 20 percent of what number?
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