Percentage Calculator: What is 30 percent of 140.? = 42

30 percent *140. =

(30:100)*140. =

(30*140.):100 =

4200:100 = 42

Now we have: 30 percent of 140. = 42

Question: What is 30 percent of 140.?

Percentage solution with steps:

Step 1: Our output value is 140..

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

Step 3: From step 1 above,{140.}={100\%}.

Step 4: Similarly, {x}={30\%}.

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

{140.}={100\%}(1).

{x}={30\%}(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{140.}{x}=\frac{100\%}{30\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{140.}=\frac{30}{100}

\Rightarrow{x} = {42}

Therefore, {30\%} of {140.} is {42}

Percentage of

Difference

140. percent *30 =

(140.:100)*30 =

(140.*30):100 =

4200:100 = 42

Now we have: 140. percent of 30 = 42

Question: What is 140. percent of 30?

Percentage solution with steps:

Step 1: Our output value is 30.

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

Step 3: From step 1 above,{30}={100\%}.

Step 4: Similarly, {x}={140.\%}.

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

{30}={100\%}(1).

{x}={140.\%}(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{30}{x}=\frac{100\%}{140.\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{30}=\frac{140.}{100}

\Rightarrow{x} = {42}

Therefore, {140.\%} of {30} is {42}

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