Percentage Calculator: What is 50 percent of 8.40? = 4.2

50 percent *8.40 =

(50:100)*8.40 =

(50*8.40):100 =

420:100 = 4.2

Now we have: 50 percent of 8.40 = 4.2

Question: What is 50 percent of 8.40?

Percentage solution with steps:

Step 1: Our output value is 8.40.

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

Step 3: From step 1 above,{8.40}={100\%}.

Step 4: Similarly, {x}={50\%}.

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

{8.40}={100\%}(1).

{x}={50\%}(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{8.40}{x}=\frac{100\%}{50\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{8.40}=\frac{50}{100}

\Rightarrow{x} = {4.2}

Therefore, {50\%} of {8.40} is {4.2}

Percentage of

Difference

8.40 percent *50 =

(8.40:100)*50 =

(8.40*50):100 =

420:100 = 4.2

Now we have: 8.40 percent of 50 = 4.2

Question: What is 8.40 percent of 50?

Percentage solution with steps:

Step 1: Our output value is 50.

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

Step 3: From step 1 above,{50}={100\%}.

Step 4: Similarly, {x}={8.40\%}.

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

{50}={100\%}(1).

{x}={8.40\%}(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{50}{x}=\frac{100\%}{8.40\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{50}=\frac{8.40}{100}

\Rightarrow{x} = {4.2}

Therefore, {8.40\%} of {50} is {4.2}

Calculation Samples