Percentage Calculator: What is 70 percent of 30.? = 21

70 percent *30. =

(70:100)*30. =

(70*30.):100 =

2100:100 = 21

Now we have: 70 percent of 30. = 21

Question: What is 70 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}={70\%}.

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

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

{x}={70\%}(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\%}{70\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{30.}=\frac{70}{100}

\Rightarrow{x} = {21}

Therefore, {70\%} of {30.} is {21}

Percentage of

Difference

30. percent *70 =

(30.:100)*70 =

(30.*70):100 =

2100:100 = 21

Now we have: 30. percent of 70 = 21

Question: What is 30. percent of 70?

Percentage solution with steps:

Step 1: Our output value is 70.

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

Step 3: From step 1 above,{70}={100\%}.

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

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

{70}={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{70}{x}=\frac{100\%}{30.\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{70}=\frac{30.}{100}

\Rightarrow{x} = {21}

Therefore, {30.\%} of {70} is {21}

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