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Solution for 515 is what percent of 21:

515:21*100 =

(515*100):21 =

51500:21 = 2452.38

Now we have: 515 is what percent of 21 = 2452.38

Question: 515 is what percent of 21?

Percentage solution with steps:

Step 1: We make the assumption that 21 is 100% since it is our output value.

Step 2: We next represent the value we seek with {x}.

Step 3: From step 1, it follows that {100\%}={21}.

Step 4: In the same vein, {x\%}={515}.

Step 5: This gives us a pair of simple equations:

{100\%}={21}(1).

{x\%}={515}(2).

Step 6: By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS
(left hand side) of both equations have the same unit (%); we have

\frac{100\%}{x\%}=\frac{21}{515}

Step 7: Taking the inverse (or reciprocal) of both sides yields

\frac{x\%}{100\%}=\frac{515}{21}

\Rightarrow{x} = {2452.38\%}

Therefore, {515} is {2452.38\%} of {21}.

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• 515 is what percent of 100 = 515

Solution for 21 is what percent of 515:

21:515*100 =

(21*100):515 =

2100:515 = 4.08

Now we have: 21 is what percent of 515 = 4.08

Question: 21 is what percent of 515?

Percentage solution with steps:

Step 1: We make the assumption that 515 is 100% since it is our output value.

Step 2: We next represent the value we seek with {x}.

Step 3: From step 1, it follows that {100\%}={515}.

Step 4: In the same vein, {x\%}={21}.

Step 5: This gives us a pair of simple equations:

{100\%}={515}(1).

{x\%}={21}(2).

Step 6: By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS
(left hand side) of both equations have the same unit (%); we have

\frac{100\%}{x\%}=\frac{515}{21}

Step 7: Taking the inverse (or reciprocal) of both sides yields

\frac{x\%}{100\%}=\frac{21}{515}

\Rightarrow{x} = {4.08\%}

Therefore, {21} is {4.08\%} of {515}.