Percentage Calculator: What is 20 percent of 4200? = 840

20 percent *4200 =

(20:100)*4200 =

(20*4200):100 =

84000:100 = 840

Now we have: 20 percent of 4200 = 840

Question: What is 20 percent of 4200?

Percentage solution with steps:

Step 1: Our output value is 4200.

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

Step 3: From step 1 above,{4200}={100\%}.

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

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

{4200}={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{4200}{x}=\frac{100\%}{20\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{4200}=\frac{20}{100}

\Rightarrow{x} = {840}

Therefore, {20\%} of {4200} is {840}

Percentage of

Difference

4200 percent *20 =

(4200:100)*20 =

(4200*20):100 =

84000:100 = 840

Now we have: 4200 percent of 20 = 840

Question: What is 4200 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}={4200\%}.

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

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

{x}={4200\%}(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\%}{4200\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{20}=\frac{4200}{100}

\Rightarrow{x} = {840}

Therefore, {4200\%} of {20} is {840}

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