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Why? Because that's what "complement" means. For example, if 60% of a certain population are adults, the remainder - 40% - are not adults. That's the complement. The "100%" refers to the total population in this case.

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12y ago

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What is the complement of 10 percent?

The complement of 10 percent is 90 percent. In probability and percentage terms, the complement refers to what remains when a certain percentage is subtracted from 100 percent. Therefore, 100 percent minus 10 percent equals 90 percent.


What is 100 percent subtract 40 percent?

60


How do subtract 80 percent from a number?

To subtract 80 percent from a number, first calculate 80 percent of that number by multiplying it by 0.80. Then, subtract the result from the original number. For example, if the number is 100, you would calculate 80 percent as 100 × 0.80 = 80, and then subtract: 100 - 80 = 20. The final result is the number after subtracting 80 percent.


How do you find percent deviation?

to find percent deviation you divide the average deviation into the mean then multiply by 100% . to get the average deviation you must subtract the mean from a measured value.


What is the complement of 35 percent?

65% (35+65 = 100%)


How do you find percent of change as a decrease?

Whether the change is an increase or decrease . . . -- Divide the new number by the original number. -- Multiply the result by 100. -- Subtract 100. -- Now you have the percent of change.


How do you subtract 15 percent from 450?

firstly, find 15 per cent of 450, by dividing 450 by 100 and then multiplying it by 15. After you've found this, subtract this from 450. :)


What is the formula to find percent of change?

Take the old value and subtract from the new value, then divide by the old value. Multiply by 100. That number representsthe percent change.


How do you subtract 9 percent from 45000?

Multiply it by (100 percent minus 9 percent). (100 - 9) percent = 91% = 91/100 = 0.91 45,000 x 0.91 = 40,950


How do you subtract a percent in money?

To subtract a percent from a monetary amount, first convert the percentage into a decimal by dividing it by 100. Then, multiply the original amount by this decimal to find the dollar amount to subtract. Finally, subtract this dollar amount from the original amount to get the result. For example, to subtract 20% from $50, calculate 50 x 0.20 = $10, and then $50 - $10 = $40.


How do you decrease a number by 25 percent?

To decrease a number by 25 percent, first, calculate 25 percent of that number by multiplying it by 0.25. Then, subtract the result from the original number. For example, if the original number is 100, 25 percent of 100 is 25, so you would subtract 25 from 100, resulting in 75.


How do you subtract 15 percent from 208.56?

If you take 208.56 and divide it by 100 you can find 1%, which is 2.0856 if you now multiply it by 15 you can find 15%, which is 31.284. Now all you need to do is subtract 31.284 (15%) from 208.56, which gives you 177.276