Percentage Calculator: What is 20 percent of 400.? = 80

20 percent *400. =

(20:100)*400. =

(20*400.):100 =

8000:100 = 80

Now we have: 20 percent of 400. = 80

Question: What is 20 percent of 400.?

Percentage solution with steps:

Step 1: Our output value is 400..

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

Step 3: From step 1 above,{400.}={100\%}.

Step 4: Similarly, {x}={20\%}.

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

{400.}={100\%}(1).

{x}={20\%}(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{400.}{x}=\frac{100\%}{20\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{400.}=\frac{20}{100}

\Rightarrow{x} = {80}

Therefore, {20\%} of {400.} is {80}

Percentage of

Difference

400. percent *20 =

(400.:100)*20 =

(400.*20):100 =

8000:100 = 80

Now we have: 400. percent of 20 = 80

Question: What is 400. percent of 20?

Percentage solution with steps:

Step 1: Our output value is 20.

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

Step 3: From step 1 above,{20}={100\%}.

Step 4: Similarly, {x}={400.\%}.

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

{20}={100\%}(1).

{x}={400.\%}(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{20}{x}=\frac{100\%}{400.\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{20}=\frac{400.}{100}

\Rightarrow{x} = {80}

Therefore, {400.\%} of {20} is {80}

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