Percentage Calculator: What is 20 percent of 690? = 138

20 percent *690 =

(20:100)*690 =

(20*690):100 =

13800:100 = 138

Now we have: 20 percent of 690 = 138

Question: What is 20 percent of 690?

Percentage solution with steps:

Step 1: Our output value is 690.

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

Step 3: From step 1 above,{690}={100\%}.

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

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

{690}={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{690}{x}=\frac{100\%}{20\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{690}=\frac{20}{100}

\Rightarrow{x} = {138}

Therefore, {20\%} of {690} is {138}

Percentage of

Difference

690 percent *20 =

(690:100)*20 =

(690*20):100 =

13800:100 = 138

Now we have: 690 percent of 20 = 138

Question: What is 690 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}={690\%}.

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

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

{x}={690\%}(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\%}{690\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{20}=\frac{690}{100}

\Rightarrow{x} = {138}

Therefore, {690\%} of {20} is {138}

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