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It is 90 because 90% of 90 = 81

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โˆ™ 2012-11-17 10:18:37
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Q: What is a number so that 81 is 90 percent of that number?
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Related questions

What is 10 percent off of 90.00?

First, we can truncate the .00 off of the 90.00 to just make 90 for simplicity. Next, we take .10*90, which is 9. Subtract that from your original number, 90. 90-9=81. There is another way to do this problem. First, we have 100 percent, or 1. Next, we subtract 10 percent from that, or .1. 1-.1=.9, so we multiply .9*90=81.


9x9?

9 X 9 is 81 the other answers are incorrect use a calculator and it also sas 81


What will be 80 percent of a number whose 200 percent is 90?

200% of a number is 90, so 100% of a nubmer is 45, so 45 is 80% 0f a number therfore a number is 45/80*100=225/4


How do you turn 81 percent into a decimal?

Percent is hundredths. So 81% =0.81


What will be 80 percent of a number whose 20 percent is 90?

20% of 450 is 90 So 80% of 450 will be 360


What number you is 30 percent of 90?

10 percent of 90 is 9 so 30 percent will be 9 times 3 which is 27


What does reduce by 10 percent mean?

100% - 10% = 90% so you multiply the number by 0.9


30 percent of what number is 90?

Answer 300 ---- Here is why: This is the same as asking .3x=90 so the number is 90/.3 =300 Note, 90/.3 is 90 divided by 3/10 which is 90x10=900 divided by 3.


27 is 33 and one third percent of what number?

33 and 1/3 % is equivalent to 1/3. So multiplying anything that is that percentage of another number by 3, will give you the full number. In this case you get: Your answer is 81 27 * 3 = 81


Should you type 90 percent or 90 percent?

I would type it with the percent sign, like so: 90%


What are the prime numbers between 80 and 90?

The prime numbers between 80 and 90 are 83 and 89.


What is a browning citori made in japan serial number 12272 at 90 percent worth?

00 600 or so


Fifty eight percent of ninety is what number?

58% is equivalent to 58/100. So 58% of 90 = 90 x 58/100 = 52.2


What number is 40 percent of 90?

40% means 40/100, which equals 0.40, so... 0.40 X 90 = 36


90 percent of what number is 207?

consider the num to be "X" so (90/100)*x = 207 by transposing we get x=(207*100)/90 x=230


18 is 90 percent of what number?

Let M be the number we seek. Now .9M-=18so M=18/.9=20


What is one tenth as a percentage?

One-tenth in percent form is 10%. A percent is different from a percentage, so I hope you were asking for the percent equivalent of one-tenth. A percentage is an amount obtained by multiplying the percent by the number of which you are taking a percent. If you were taking 10% of 90, the percentage would be 10% x 90 = 9.


How to change 90 percent to a fraction?

To go from percent to decimal, divide by 100. So, 90%/100 is 0.90.


How do you do multiples with the number 9?

Multiples are formed by multiplying a number by successive counting numbers. The multiples of 9 are 9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99 and so on.


Prime number of 81?

34 =81 so I think you mean 3


What are the first twelve nonzero multiples of 9?

9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99, 108


What is 3.5 percent of 81.00?

3.5% is written 0.035, so multiply that with your original number:0.035*81 = 2.835


How come is 76.5 percent for the question 85 percent of 90?

Usually, when you see the word "of" in a math question it indicates multiplication of some kind so the question "What is 85 percent of 90?" can also be asked as "What is 85 percent times 90?" 85 percent is equivalent to the decimal 0.85. 90 times 0.85 = 76.5


What is the easiest way to find the square root?

the eisest way to find square root of something , is to see what number x itself = that number .... so EXAMPLE:what is the square root of 81? this is how you will find it.....so what number x itself gives me 81? it's 9 because 9x9=81 so the square root of 81 is 9


What is 90 percent of 1360?

All you have to do is multiply the number 1360 by .9, because.9 is actually 90% is decimal form. I'll do the math here so you don't have to. 1360 x .9 = 1224 So, 90% of 1360 is 1224.