Percentage Calculator: What is 20 percent of 420? = 84

20 percent *420 =

(20:100)*420 =

(20*420):100 =

8400:100 = 84

Now we have: 20 percent of 420 = 84

Question: What is 20 percent of 420?

Percentage solution with steps:

Step 1: Our output value is 420.

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

Step 3: From step 1 above,{420}={100\%}.

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

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

{420}={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{420}{x}=\frac{100\%}{20\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{420}=\frac{20}{100}

\Rightarrow{x} = {84}

Therefore, {20\%} of {420} is {84}

Percentage of

Difference

420 percent *20 =

(420:100)*20 =

(420*20):100 =

8400:100 = 84

Now we have: 420 percent of 20 = 84

Question: What is 420 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}={420\%}.

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

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

{x}={420\%}(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\%}{420\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{20}=\frac{420}{100}

\Rightarrow{x} = {84}

Therefore, {420\%} of {20} is {84}

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