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Perform the required calculations for each of the following items. Round your answers to the nearest 0.1%. 20 is how much less than 30? What percent less? 25 is how much more than 20? What percent more? 37 is what percent more than 32? 300 is what percent less than 599? 184 is what percent more than 148? 102 is what percent more than 50? 16 is what percent less than 489? 216 is what percent greater than 80? 418 is what percent smaller than 516?

Respuesta :

Answer:

           Fraction Decimal

1. 25%         1/4            0.25

2. 32.5% 13/40    0.325

3. 4%         1/25            0.04

4. 75%   3/4            0.75

5. 6.5% 3/200    0.065

6. 125% 1 1/4    1.25

7. 12.5% 1/8              0.125

8. 0.2% 1/500    0.002

9. 0.75% 3/400    0.0075

10. 107% 107/100     1.07

11. 210% 21/10    2.10

12. 22.5% 9/40            0.225

1. Base 72; percentage 12 = 12/72 = 0.1666 x 100 = 16.6 %

2. Percentage 28; base 224 = 28/224 = 0.125 x 100 = 12.5%

3. Base 20; percentage 40 = 40/20 = 2 x 100 = 200%

4. Base 44; percentage 99 = 99/44 = 2.25 x 100 = 225%

5. Percentage 126; base 8400 = 126/8400 = 0.015 x 100 = 1.5%

1. 50 is 20% of what number? 250

2. 18 is 33 1/3% of what number? 54

3. 4 is 1% of what number? 400

4. 5% of what number is 90? 1800

5. 16 2/3% of what number is 72? 432

1. 20 is how much less than 30? What percent less? 33 1/2%

2. 25 is how much more than 20? What percent more? 25%

3. 37 is what percent more than 32? 15.6%

4. 300 is what percent less than 599? 49.9%

5. 184 is what percent more than 148? 24.3%

6. 102 is what percent more than 50? 104%

7. 16 is what percent less than 489? 96.7%

8. 216 is what percent greater than 80? 170%

9. 418 is what percent smaller than 516? 18.99%

1. .25              25%  

2. .278            27.8%

3. 2.9              290%

4. 3.0              300%

5. 0.67            67%

Step-by-step explanation:

The answers are 33.33%, 25%, 15.6%, 49.9%, 24.3%, 104%, 96.7%, 170%, and 18.99%.

What is an arithmetic operation?

It is defined as the operation in which we do the addition of numbers, subtraction, multiplication, and division. It has a basic four operators that is +, -, ×, and ÷.

It is given that:

For the first part:

20 is how much less than 30

= 30 - 20 = 10

In decimal:

= 10/30

= 0.3333

In percent:

= 33.33%

For the second part:

25 is how much less than 20

= 25 - 20

= 5

= 5/20

= 0.25

In percent:

= 25%

For the third part:

37 is what percent more than 32

= 37 - 32

= 5

= 5/37

= 0.156

Or

= 15.6%

For the fourth part:

300 is what percent less than 599

= 599 - 300

= 299

= 299/599

= 0.499

In percent:

= 49.9%

For the fifth part:

184 is what percent more than 148

= (184 - 148)/148

=  0.243

In percent:

= 24.3%

For the sixth part:

102 is what percent more than 50

= (102-50)(100/50)

= 104%

Similarly for the seventh, eight, and ninth part:

The answers are:

96.7%, 170%, and 18.99%.

Thus, the answers are 33.33%, 25%, 15.6%, 49.9%, 24.3%, 104%, 96.7%, 170%, and 18.99%.

Learn more about the arithmetic operation here:

brainly.com/question/20595275

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