Percentage Calculator: What is 15 percent of 30.? = 4.5

15 percent *30. =

(15:100)*30. =

(15*30.):100 =

450:100 = 4.5

Now we have: 15 percent of 30. = 4.5

Question: What is 15 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}={15\%}.

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

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

{x}={15\%}(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\%}{15\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{30.}=\frac{15}{100}

\Rightarrow{x} = {4.5}

Therefore, {15\%} of {30.} is {4.5}

Percentage of

Difference

30. percent *15 =

(30.:100)*15 =

(30.*15):100 =

450:100 = 4.5

Now we have: 30. percent of 15 = 4.5

Question: What is 30. percent of 15?

Percentage solution with steps:

Step 1: Our output value is 15.

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

Step 3: From step 1 above,{15}={100\%}.

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

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

{15}={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{15}{x}=\frac{100\%}{30.\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{15}=\frac{30.}{100}

\Rightarrow{x} = {4.5}

Therefore, {30.\%} of {15} is {4.5}

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