Percentage Calculator: What is 40 percent of 420? = 168

40 percent *420 =

(40:100)*420 =

(40*420):100 =

16800:100 = 168

Now we have: 40 percent of 420 = 168

Question: What is 40 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}={40\%}.

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

{420}={100\%}(1).

{x}={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{420}{x}=\frac{100\%}{40\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{420}=\frac{40}{100}

\Rightarrow{x} = {168}

Therefore, {40\%} of {420} is {168}

Percentage of

Difference

420 percent *40 =

(420:100)*40 =

(420*40):100 =

16800:100 = 168

Now we have: 420 percent of 40 = 168

Question: What is 420 percent of 40?

Percentage solution with steps:

Step 1: Our output value is 40.

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

Step 3: From step 1 above,{40}={100\%}.

Step 4: Similarly, {x}={420\%}.

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

{40}={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{40}{x}=\frac{100\%}{420\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{40}=\frac{420}{100}

\Rightarrow{x} = {168}

Therefore, {420\%} of {40} is {168}

Calculation Samples