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The expression is 20\"\" of 110.

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The percent is 20 and the whole is 110. You need to find the part.

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Let n represent the number.

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Part = percent\"\"whole

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n = 0.2\"\"110    (Substitute percent = 0.2 and whole = 110)

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n = 22              (Multiply: \"\")\"\"

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22 is 20\"\" of 110.