Question

convert the following numbers to percentages and percentages to n

problem #

1. 3.2 = 11. 157% =
2. 20 = 12. 3.4% =
3. 0.007 = 13. 12.33% =
4. 1.40 = 14. 0.1% =
5. 4.002 = 15. 0.067% =

Explanation:

Step1: Multiply by 100 for % conversion

To convert a number to a percentage, multiply by 100 and add the % symbol.

Step2: Divide by 100 for number conversion

To convert a percentage to a number, divide by 100 and remove the % symbol.

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For problems 1-5 (Number to Percentage):

Problem1: Convert 3.2 to %

$3.2 \times 100 = 320\%$

Problem2: Convert 20 to %

$20 \times 100 = 2000\%$

Problem3: Convert 0.007 to %

$0.007 \times 100 = 0.7\%$

Problem4: Convert 1.40 to %

$1.40 \times 100 = 140\%$

Problem5: Convert 4.002 to %

$4.002 \times 100 = 400.2\%$

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For problems 11-15 (Percentage to Number):

Problem11: Convert 157% to number

$\frac{157}{100} = 1.57$

Problem12: Convert 3.4% to number

$\frac{3.4}{100} = 0.034$

Problem13: Convert 12.33% to number

$\frac{12.33}{100} = 0.1233$

Problem14: Convert 0.1% to number

$\frac{0.1}{100} = 0.001$

Problem15: Convert 0.067% to number

$\frac{0.067}{100} = 0.00067$

Answer:

1. $320\%$
2. $2000\%$
3. $0.7\%$
4. $140\%$
5. $400.2\%$
6. $1.57$
7. $0.034$
8. $0.1233$
9. $0.001$
10. $0.00067$