Put 2 zeros at the end of 25. 2,500...
Mental math like if 12 into 72 it will not be a double digit if you divide 100 by 10 it will be double digits. Most times if you have a tripple digit number and divide it by double digit the answer will be a double digit.
If the boy's chronological age and mental age are equal, his IQ would be assumed to be 100. (Using chronological age x IQ/100 as the template).
Call the answer x. x times 9% = 113. 9% is 9/100 so x times 9/100 is 113. Therefore x times 1/100 would be one ninth of 113, which is 125/9, or 12.55555... If this is 1/100 of x, x is that times 100, which is 1255.5555555...
(33 x 3) + (3/3) = 100
The answer is 50.
3.4
x=62
It is the same as 1/16 times 100 = 6.25
It is: 58.2/194 times 100 = 30%
Since 98 is 100 minus 2, you can think of this as 136 + 100 - 2, or 236 - 2, the answer being 234.
Mental math like if 12 into 72 it will not be a double digit if you divide 100 by 10 it will be double digits. Most times if you have a tripple digit number and divide it by double digit the answer will be a double digit.
The associative property of math states that the order of the numbers can be in any order when adding and multiplying.
If the boy's chronological age and mental age are equal, his IQ would be assumed to be 100. (Using chronological age x IQ/100 as the template).
math
Call the answer x. x times 9% = 113. 9% is 9/100 so x times 9/100 is 113. Therefore x times 1/100 would be one ninth of 113, which is 125/9, or 12.55555... If this is 1/100 of x, x is that times 100, which is 1255.5555555...
111-11=100.. This way, you used the number 1 five times and reached the value of a 100.
It is: 5/100 times 100 = 5.0%