What percent is 18 of 45?

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Multiple Choice

What percent is 18 of 45?

Explanation:
Finding what percent a part is of a whole involves dividing the part by the whole and converting to a percent. To see what percent 18 is of 45, divide 18 by 45 to get 0.4, then convert to a percent by multiplying by 100, giving 40%. Alternatively, 18/45 simplifies to 2/5, which is 0.4, or 40%. This means 18 is 40% of 45. Checking nearby options: 20% of 45 would be 9; 60% would be 27; 45% would be 20.25, none of which equal 18, so 40% is the correct match.

Finding what percent a part is of a whole involves dividing the part by the whole and converting to a percent. To see what percent 18 is of 45, divide 18 by 45 to get 0.4, then convert to a percent by multiplying by 100, giving 40%. Alternatively, 18/45 simplifies to 2/5, which is 0.4, or 40%. This means 18 is 40% of 45. Checking nearby options: 20% of 45 would be 9; 60% would be 27; 45% would be 20.25, none of which equal 18, so 40% is the correct match.

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