Percentage Calculator: What is 80 percent of 4.2? = 3.36

80 percent *4.2 =

(80:100)*4.2 =

(80*4.2):100 =

336:100 = 3.36

Now we have: 80 percent of 4.2 = 3.36

Question: What is 80 percent of 4.2?

Percentage solution with steps:

Step 1: Our output value is 4.2.

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

Step 3: From step 1 above,{4.2}={100\%}.

Step 4: Similarly, {x}={80\%}.

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

{4.2}={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{4.2}{x}=\frac{100\%}{80\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{4.2}=\frac{80}{100}

\Rightarrow{x} = {3.36}

Therefore, {80\%} of {4.2} is {3.36}

Percentage of

Difference

4.2 percent *80 =

(4.2:100)*80 =

(4.2*80):100 =

336:100 = 3.36

Now we have: 4.2 percent of 80 = 3.36

Question: What is 4.2 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}={4.2\%}.

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

{80}={100\%}(1).

{x}={4.2\%}(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\%}{4.2\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{80}=\frac{4.2}{100}

\Rightarrow{x} = {3.36}

Therefore, {4.2\%} of {80} is {3.36}

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