Percentage Calculator: What is 42 percent of .4? = 0.17

42 percent *.4 =

(42:100)*.4 =

(42*.4):100 =

16.8:100 = 0.17

Now we have: 42 percent of .4 = 0.17

Question: What is 42 percent of .4?

Percentage solution with steps:

Step 1: Our output value is .4.

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

Step 3: From step 1 above,{.4}={100\%}.

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

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

{.4}={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{.4}{x}=\frac{100\%}{42\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{.4}=\frac{42}{100}

\Rightarrow{x} = {0.17}

Therefore, {42\%} of {.4} is {0.17}

Percentage of

Difference

.4 percent *42 =

(.4:100)*42 =

(.4*42):100 =

16.8:100 = 0.17

Now we have: .4 percent of 42 = 0.17

Question: What is .4 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}={.4\%}.

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

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

{x}={.4\%}(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\%}{.4\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{42}=\frac{.4}{100}

\Rightarrow{x} = {0.17}

Therefore, {.4\%} of {42} is {0.17}

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