Percentage Calculator: What is 21 percent of .80? = 0.17

21 percent *.80 =

(21:100)*.80 =

(21*.80):100 =

16.8:100 = 0.17

Now we have: 21 percent of .80 = 0.17

Question: What is 21 percent of .80?

Percentage solution with steps:

Step 1: Our output value is .80.

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

Step 3: From step 1 above,{.80}={100\%}.

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

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

{.80}={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{.80}{x}=\frac{100\%}{21\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{.80}=\frac{21}{100}

\Rightarrow{x} = {0.17}

Therefore, {21\%} of {.80} is {0.17}

Percentage of

Difference

.80 percent *21 =

(.80:100)*21 =

(.80*21):100 =

16.8:100 = 0.17

Now we have: .80 percent of 21 = 0.17

Question: What is .80 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}={.80\%}.

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

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

{x}={.80\%}(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\%}{.80\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{21}=\frac{.80}{100}

\Rightarrow{x} = {0.17}

Therefore, {.80\%} of {21} is {0.17}

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