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To calculate the percentage of the number, we use the formula P%*X=Y.
In number 1, what is 8% of 55?
First, convert the problem into an equation using the formula. P= 8% and X=55; 8% * 55= Y
Second, convert 8% to a decimal by removing the percent sign and dividing by 100: 8/100 = 0.08
Third, substitute 0.08 for 8% in the equation: 8% * 55= Y becomes 0.08 * 55 = Y ; 0.08 * 55= 4.4
Y= 4.4
So, 8% of 55 is 4.4
2. In here, we have to solve first 33 2/6%.
By the definition p%= p/100; we get
After simplifying, find the GCF or greatest common factor of 33 and 300 which is 3. Therefore; 11 × 1/100
Calculate then the product, we get 11/100.
So the answer is 11/100. We convert it into decimal; 0.11%
What is 0.11% of 116?
Following the steps on calculating the percentage of a number;
P% × X = Y
0.11% × 116= Y
0.11/100 = 0.0011
0.0011 × 116= 0.1276
Therefore, 33 2/6% of 116 is 0.1276
3. 18 is 23 1/3% of 1000
False
Checking it:
23 1/3% is 0.076%
0.076% × 1000 = Y
0.076/100= 0.00076
0.00076 × 1000= 0.76
4. Mrs. Mendoza has 50 orchid plants. X=50
Thirty-five percent of these are Catleya. P= 35%
From the given, we arrive at the equation:
35% × 50= Y
Again, just follow the steps on calculating the percentage of a number.
35/100= 0.35
0.35 × 50 = 17.5
Therefore, 17.5 out of 50 orchid plants are Catleya.
5. The problem is here is to look for the X. We already have the P which is 15% and Y which is 100.
So we arrive at the question of 100 is 15% of what number?
Using the formula of Y/P%= X, we convert the equation to this. Hence;
100/15%= X
Convert the percentage to a decimal by dividing by 100. 15% = 15/100= 0.15
Substitute 0.15 for 15% to the equation:
100/0.15= X
X= 6667.66667
So 100 is 15% of 666.66667.