The value of the number will be equal to 112.5.
The Percentage is defined as representing any number with respect to 100. It is denoted by the sign %. The percentage stands for "out of 100." Imagine any measurement or object being divided into 100 equal bits.
Given that 90 is equal to 80% of the number. The value of the number will be calculated below,
Let n be the unknown number the value of n will be calculated as below,
80% = 4 / 5
4/5n=90
4n=450
n=450/4
n=112.5
Therefore, the value of the number will be equal to 112.5.
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You multiply both the numerator and the denominator by the same number (but not 1 or 0), but don't simplify. 3/10 is your fraction, and you could multiply the top and bottom numbers by 2 to get 6/20.
7 as a percentage of 20 just means what percentage of 20 is 7. To do this, we must divide 7 by 20. This is how you answer this. If you do so, then you will get 0.35. This shows that it is 35%. Note that when you get a decimal number, then you must multiply it by 100% to get the percentage equivalent of that number. Therefore, 7 as a percentage of 20 is 35%.