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Solution for 128 is what percent of 21:

128:21*100 =

(128*100):21 =

12800:21 = 609.52

Now we have: 128 is what percent of 21 = 609.52

Question: 128 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\%}={128}.

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

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

{x\%}={128}(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}{128}

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

\frac{x\%}{100\%}=\frac{128}{21}

\Rightarrow{x} = {609.52\%}

Therefore, {128} is {609.52\%} of {21}.

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Solution for 21 is what percent of 128:

21:128*100 =

(21*100):128 =

2100:128 = 16.41

Now we have: 21 is what percent of 128 = 16.41

Question: 21 is what percent of 128?

Percentage solution with steps:

Step 1: We make the assumption that 128 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\%}={128}.

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

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

{100\%}={128}(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{128}{21}

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

\frac{x\%}{100\%}=\frac{21}{128}

\Rightarrow{x} = {16.41\%}

Therefore, {21} is {16.41\%} of {128}.