Percentage Calculator: What is 20 percent of 4.5? = 0.9

20 percent *4.5 =

(20:100)*4.5 =

(20*4.5):100 =

90:100 = 0.9

Now we have: 20 percent of 4.5 = 0.9

Question: What is 20 percent of 4.5?

Percentage solution with steps:

Step 1: Our output value is 4.5.

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

Step 3: From step 1 above,{4.5}={100\%}.

Step 4: Similarly, {x}={20\%}.

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

{4.5}={100\%}(1).

{x}={20\%}(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{4.5}{x}=\frac{100\%}{20\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{4.5}=\frac{20}{100}

\Rightarrow{x} = {0.9}

Therefore, {20\%} of {4.5} is {0.9}

Percentage of

Difference

4.5 percent *20 =

(4.5:100)*20 =

(4.5*20):100 =

90:100 = 0.9

Now we have: 4.5 percent of 20 = 0.9

Question: What is 4.5 percent of 20?

Percentage solution with steps:

Step 1: Our output value is 20.

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

Step 3: From step 1 above,{20}={100\%}.

Step 4: Similarly, {x}={4.5\%}.

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

{20}={100\%}(1).

{x}={4.5\%}(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{20}{x}=\frac{100\%}{4.5\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{20}=\frac{4.5}{100}

\Rightarrow{x} = {0.9}

Therefore, {4.5\%} of {20} is {0.9}

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