Examples with solutions for Quantity, percentage, percentage value: Calculate the percentage of the whole number

Exercise #1

Calculate 15% of 100:

Step-by-Step Solution

To find 15% of 100, you can convert the percentage to a decimal by dividing by 100:

15%=15100=0.15 15\% = \frac{15}{100} = 0.15

Next, multiply this decimal by 100:

0.15×100=15 0.15 \times 100 = 15

Thus, 15% of 100 is 15.

Answer

15 15

Exercise #2

Calculate 8% of 100:

Step-by-Step Solution

To find 8% of 100, first convert the percentage to a decimal by dividing by 100:

8%=8100=0.08 8\% = \frac{8}{100} = 0.08

Then, multiply this decimal by 100:

0.08×100=8 0.08 \times 100 = 8

Hence, 8% of 100 is 8.

Answer

8 8

Exercise #3

Calculate 45% of 100:

Step-by-Step Solution

To find 45% of 100, you can multiply the percentage as a decimal by the whole number. First, convert 45% into a decimal. This is done by dividing by 100: 45%=45100=0.45 45\% = \frac{45}{100} = 0.45 .

Then, multiply this decimal by 100: 0.45×100=45 0.45 \times 100 = 45 .

Therefore, 45% of 100 is 45 45 .

Answer

45 45

Exercise #4

Calculate 35% of 100:

Step-by-Step Solution

To find 35% of 100, first convert the percentage into a decimal by dividing by 100: 35%=35100=0.35 35\% = \frac{35}{100} = 0.35 .

Then, multiply this decimal by 100: 0.35×100=35 0.35 \times 100 = 35 .

Therefore, 35% of 100 is 35 35 .

Answer

35 35

Exercise #5

Calculate 95% of 100:

Step-by-Step Solution

In order to calculate 15% of 100, start by converting the percentage into a decimal. Convert 15% to a decimal: 95%=0.95 95\% = 0.95

Then multiply the decimal by 100 to find the percentage value: 0.95×100=95 0.95 \times 100 = 95

So, 95% of 100 is 95 95 .

Answer

95 95

Exercise #6

Calculate 20% of 100:

Step-by-Step Solution

In order to determine 20% of 100, we begin by converting the percentage into a decimal and then proceed to multiply by the whole number. First, convert 20% to a decimal: 20%=0.2 20\% = 0.2

Next, multiply this decimal by 100 to find the percentage of the whole number: 0.2×100=20 0.2 \times 100 = 20

Thus, 20% of 100 is 20 20 .

Answer

20 20

Exercise #7

Calculate 50% of 100:

Step-by-Step Solution

In order to determine 50% of 100, we first convert the percentage into a decimal. Convert 50% to a decimal: 50%=0.5 50\% = 0.5 .

Next, multiply the decimal by 100 to get the percentage value: 0.5×100=50 0.5 \times 100 = 50 .

Therefore, 50% of 100 is 50 50 .

Answer

50 50

Exercise #8

Calculate 75% of 100:

Step-by-Step Solution

In order to calculate 75% of 100, we must first convert the percent into a decimal. Convert 75% to a decimal: 75%=0.75 75\% = 0.75 .

Then multiply by the whole number: 0.75×100=75 0.75 \times 100 = 75 .

Therefore, 75% of 100 is 75 75 .

Answer

75 75

Exercise #9

Calculate 15% of 200:

Step-by-Step Solution

To find 15% of 200, follow these steps:

  1. Convert the percentage to a decimal by dividing by 100: 15%=0.15 15\% = 0.15 .
  2. Multiply the decimal by the whole number: 0.15×200 0.15 \times 200 .
  3. Calculate the result: 0.15×200=30 0.15 \times 200 = 30 .
  4. Thus, 15% of 200 is 30.

Answer

30

Exercise #10

Calculate 8% of 150:

Step-by-Step Solution

To calculate 8% of 150, use the following steps:

  1. Convert the percentage to a decimal by dividing by 100: 8%=0.08 8\% = 0.08 .
  2. Multiply the decimal by the whole number: 0.08×150 0.08 \times 150 .
  3. Calculate the result: 0.08×150=12 0.08 \times 150 = 12 .
  4. Therefore, 8% of 150 is 12.

Answer

12

Exercise #11

Calculate 3% of 100:

Video Solution

Answer

3

Exercise #12

Calculate 6% of 100:

Video Solution

Answer

6

Exercise #13

Calculate 40% of 20:

Video Solution

Answer

8

Exercise #14

Calculate 20% of 50:

Video Solution

Answer

10

Exercise #15

Calculate 4% of 20:

Video Solution

Answer

0.8

Exercise #16

Calculate 8% of 50:

Video Solution

Answer

4

Exercise #17

Calculate 12% of 25:

Video Solution

Answer

3

Exercise #18

Calculate 30% of 60:

Video Solution

Answer

18

Exercise #19

Calculate 70% of 90:

Video Solution

Answer

63

Exercise #20

Calculate 25% of 80:

Video Solution

Answer

20