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Subjects>Math>Basic Math

What percent decrease is 40 to 30?

Anonymous

∙ 12y ago

Updated: 9/21/2023

% decrease = |original value - new value|/original value * 100%

= |40 - 30|/40 * 100%

= 10/40 * 100%

= 0.25 * 100%

= 25%

Wiki User

∙ 12y ago

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Continue Learning about Basic Math

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30 of 40 is 75 percent.

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