#### Solution for 39 is what percent of 2.1:

39:2.1*100 =

(39*100):2.1 =

3900:2.1 = 1857.1428571429

Now we have: 39 is what percent of 2.1 = 1857.1428571429

Question: 39 is what percent of 2.1?

Percentage solution with steps:

Step 1: We make the assumption that 2.1 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\%}={2.1}.

Step 4: In the same vein, {x\%}={39}.

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

{100\%}={2.1}(1).

{x\%}={39}(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{2.1}{39}

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

\frac{x\%}{100\%}=\frac{39}{2.1}

\Rightarrow{x} = {1857.1428571429\%}

Therefore, {39} is {1857.1428571429\%} of {2.1}.

#### Solution for 2.1 is what percent of 39:

2.1:39*100 =

(2.1*100):39 =

210:39 = 5.3846153846154

Now we have: 2.1 is what percent of 39 = 5.3846153846154

Question: 2.1 is what percent of 39?

Percentage solution with steps:

Step 1: We make the assumption that 39 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\%}={39}.

Step 4: In the same vein, {x\%}={2.1}.

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

{100\%}={39}(1).

{x\%}={2.1}(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{39}{2.1}

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

\frac{x\%}{100\%}=\frac{2.1}{39}

\Rightarrow{x} = {5.3846153846154\%}

Therefore, {2.1} is {5.3846153846154\%} of {39}.

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