answersLogoWhite

0


Best Answer

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.

User Avatar

Wiki User

11y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: Why do you subtract 1 or 100 percent to find the complement?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

What is 100 percent subtract 40 percent?

60


What is the complement of 35 percent?

65% (35+65 = 100%)


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.


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 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


What is the complement of the supplement of 80?

The question asks for the complement of (the supplement of (80 degrees) ). We have to find the supplement of 80 first, and then find the complement of the supplement. The supplement of an angle is (180 - the angle). The complement of an angle is (90 - the angle). The supplement of 80 degrees is (180 - 80) = 100 degrees. The complement of that supplement is (90 - 100) = -10 degrees.


How do you subtract 4 percent from a salary?

Whatever your salary is you simply divide it by 100 to find 1%, then you multiply 1% by 4 to find 4% and then you deduct that figure from your original salary.


How do you find out percent if you have original amount and new amount?

First you subtract the new number from the original number then divide it by the original number and multiply that by 100 original-new __________*100 original


How do you subtract 15 percent from 34.00?

You can either calculate 15% of 34.00, which is 34.00*15/100 = 5.10 and subtract that from 34.00 to give 28.90 or you can subtract 15% from 100% = 85% and calculate 85% of 34.00, which is 34.00*85/100 = 28.90.