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Solution for 129 is what percent of 20:

129:20*100 =

(129*100):20 =

12900:20 = 645

Now we have: 129 is what percent of 20 = 645

Question: 129 is what percent of 20?

Percentage solution with steps:

Step 1: We make the assumption that 20 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\%}={20}.

Step 4: In the same vein, {x\%}={129}.

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

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

{x\%}={129}(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{20}{129}

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

\frac{x\%}{100\%}=\frac{129}{20}

\Rightarrow{x} = {645\%}

Therefore, {129} is {645\%} of {20}.

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Solution for 20 is what percent of 129:

20:129*100 =

(20*100):129 =

2000:129 = 15.5

Now we have: 20 is what percent of 129 = 15.5

Question: 20 is what percent of 129?

Percentage solution with steps:

Step 1: We make the assumption that 129 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\%}={129}.

Step 4: In the same vein, {x\%}={20}.

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

{100\%}={129}(1).

{x\%}={20}(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{129}{20}

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

\frac{x\%}{100\%}=\frac{20}{129}

\Rightarrow{x} = {15.5\%}

Therefore, {20} is {15.5\%} of {129}.