Q: What does percent decrease mean in math?

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The percent of decrease means "what is the percentage decrease from a larger number to a smaller number?" For example: What is the percentage decrease from 90 to 72? Solution: (90 - 72) / 90 = % 18 / 90 = 1 / 5 = .2 = 20% Check: 90 * .2 = 18 90 - 18 = 72 = true!

here an example: price: 230 dollars after a 20% decrease you have 184 dollars and the math equation is: pricex0.8 (230x0.8=184)

20 percent out of a hundred.

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to make smaller

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amount of the price decrease

A percent is a ratio whose denominator is 100. I know this because I am a math teacher'part of a hundred'

In Math, 24 percent can mean 0.24 in decimal or 24/100 in fraction.

The percent of decrease means "what is the percentage decrease from a larger number to a smaller number?" For example: What is the percentage decrease from 90 to 72? Solution: (90 - 72) / 90 = % 18 / 90 = 1 / 5 = .2 = 20% Check: 90 * .2 = 18 90 - 18 = 72 = true!

here an example: price: 230 dollars after a 20% decrease you have 184 dollars and the math equation is: pricex0.8 (230x0.8=184)

A decrease in math is when you are taking away something :)

To change the price of something by a certain amount, usually represented by a percent increase or decrease.

Percent

Someone can't do math.