Percentage Calculator: What is 42 percent of 3.90? = 1.638

42 percent *3.90 =

(42:100)*3.90 =

(42*3.90):100 =

163.8:100 = 1.638

Now we have: 42 percent of 3.90 = 1.638

Question: What is 42 percent of 3.90?

Percentage solution with steps:

Step 1: Our output value is 3.90.

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

Step 3: From step 1 above,{3.90}={100\%}.

Step 4: Similarly, {x}={42\%}.

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

{3.90}={100\%}(1).

{x}={42\%}(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{3.90}{x}=\frac{100\%}{42\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{3.90}=\frac{42}{100}

\Rightarrow{x} = {1.638}

Therefore, {42\%} of {3.90} is {1.638}

Percentage of

Difference

3.90 percent *42 =

(3.90:100)*42 =

(3.90*42):100 =

163.8:100 = 1.638

Now we have: 3.90 percent of 42 = 1.638

Question: What is 3.90 percent of 42?

Percentage solution with steps:

Step 1: Our output value is 42.

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

Step 3: From step 1 above,{42}={100\%}.

Step 4: Similarly, {x}={3.90\%}.

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

{42}={100\%}(1).

{x}={3.90\%}(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{42}{x}=\frac{100\%}{3.90\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{42}=\frac{3.90}{100}

\Rightarrow{x} = {1.638}

Therefore, {3.90\%} of {42} is {1.638}

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