Question

Select all the options that have the same value as 3 1/2 % of 20.

A. 3.5% of 20
B. 3 1/2 • 20
C. (0.35)•20
D. (0.035)•20
E. 7% of 10

Answer 1

The options that have the same value of 3 1/2 % of 20 are:

• 3.5% of 20
• (0.035)•20
• 7% of 10

What is an arithmetic operation?

An arithmetic operation is the use of mathematical signs (i.e. addition, subtraction, multiplication, and division) to solve fractions, algebraic expression, percentages, etc.

From the information given, we are to solve:

$\mathbf{=3\dfrac{1}{2}\% \ \ o f \ \ 20}$

$\mathbf{=\dfrac{7}{2}\% \ \ o f \ \ 20}$

$\mathbf{=\dfrac{7}{2}\div 100 \ \ o f \ \ 20}$

$\mathbf{=\dfrac{7}{2}\times\dfrac{1}{ 100 } \ \ \times \ \ 20}$

$\mathbf{=\dfrac{7}{200} \times \ \ 20}$

$\mathbf{=\dfrac{7}{10}}$

= 0.7

Therefore, the options that have the same value of 3 1/2 % of 20 are:

• 3.5% of 20 = 0.7
• (0.035)•20 = 0.7
• 7% of 10 = 0.7

Learn more about arithmetic operations here:

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