# Percentage Calculator

### What is 90 percent of 7.2?

#### Solution for What is 90 percent of 7.2:

90 percent *7.2 =

(90:100)*7.2 =

(90*7.2):100 =

648:100 = 6.48

**Now we have: 90 percent of 7.2 = 6.48**

**Question: What is 90 percent of 7.2?**

Percentage solution with steps:

Step 1: Our output value is 7.2.

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

Step 3: From step 1 above,{7.2}={100\%}.

Step 4: Similarly, {x}={90\%}.

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

{7.2}={100\%}(1).

{x}={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{7.2}{x}=\frac{100\%}{90\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{7.2}=\frac{90}{100}

\Rightarrow{x} = {6.48}

Therefore, {90\%} of {7.2} is {6.48}

#### Solution for What is 7.2 percent of 90:

7.2 percent *90 =

(7.2:100)*90 =

(7.2*90):100 =

648:100 = 6.48

**Now we have: 7.2 percent of 90 = 6.48**

**Question: What is 7.2 percent of 90?**

Percentage solution with steps:

Step 1: Our output value is 90.

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

Step 3: From step 1 above,{90}={100\%}.

Step 4: Similarly, {x}={7.2\%}.

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

{90}={100\%}(1).

{x}={7.2\%}(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{90}{x}=\frac{100\%}{7.2\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{90}=\frac{7.2}{100}

\Rightarrow{x} = {6.48}

Therefore, {7.2\%} of {90} is {6.48}

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