Percentage Calculator: What is 21 percent of .8? = 0.17

21 percent *.8 =

(21:100)*.8 =

(21*.8):100 =

16.8:100 = 0.17

Now we have: 21 percent of .8 = 0.17

Question: What is 21 percent of .8?

Percentage solution with steps:

Step 1: Our output value is .8.

Step 2: We represent the unknown value with {x}.

Step 3: From step 1 above,{.8}={100\%}.

Step 4: Similarly, {x}={21\%}.

Step 5: This results in a pair of simple equations:

{.8}={100\%}(1).

{x}={21\%}(2).

Step 6: By dividing equation 1 by equation 2 and noting that both the RHS (right hand side) of both
equations have the same unit (%); we have

\frac{.8}{x}=\frac{100\%}{21\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{.8}=\frac{21}{100}

\Rightarrow{x} = {0.17}

Therefore, {21\%} of {.8} is {0.17}

Percentage of

Difference

.8 percent *21 =

(.8:100)*21 =

(.8*21):100 =

16.8:100 = 0.17

Now we have: .8 percent of 21 = 0.17

Question: What is .8 percent of 21?

Percentage solution with steps:

Step 1: Our output value is 21.

Step 2: We represent the unknown value with {x}.

Step 3: From step 1 above,{21}={100\%}.

Step 4: Similarly, {x}={.8\%}.

Step 5: This results in a pair of simple equations:

{21}={100\%}(1).

{x}={.8\%}(2).

Step 6: By dividing equation 1 by equation 2 and noting that both the RHS (right hand side) of both
equations have the same unit (%); we have

\frac{21}{x}=\frac{100\%}{.8\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{21}=\frac{.8}{100}

\Rightarrow{x} = {0.17}

Therefore, {.8\%} of {21} is {0.17}

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