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Subjects>Math>Basic Math

What percent decrease is 40 to 30?

Updated: 9/21/2023

Wiki User

∙ 12y ago

Best Answer

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

= |40 - 30|/40 * 100%

= 10/40 * 100%

= 0.25 * 100%

= 25%

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∙ 12y ago

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Continue Learning about Basic Math

What is the percent decrease from 30 to 21?

30% decrease

What is the percent decrease from 90 to 54?

40% decrease.

What percent is 30 of 40?

30 of 40 is 75 percent.

What is the percent of decrease from 75 to 30?

It is a 60% decrease

What is 40 percent of 30?

30 * 40% = 30 * 0.40 = 12

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What is the percent decrease from 40 to 30?

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Percentage decrease from 70 to 30 is ((70 - 30)/70) x 100 = (40/70) x 100 = 4000/70 = 400/7 = 57.14%

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It is: (40-25)/40 times 100 = 37.5 decrease

What do you multiply by to decrease an amount by 30 percent?

To decrease an amount 30 percent, multiply that amount by 0.7

What percent is 30 of 40?

30 of 40 is 75 percent.

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