# Percentage Calculator

### What is 90 percent of 9.99?

#### Solution for What is 90 percent of 9.99:

90 percent *9.99 =

(90:100)*9.99 =

(90*9.99):100 =

899.1:100 = 8.991

**Now we have: 90 percent of 9.99 = 8.991**

**Question: What is 90 percent of 9.99?**

Percentage solution with steps:

Step 1: Our output value is 9.99.

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

Step 3: From step 1 above,{9.99}={100\%}.

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

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

{9.99}={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{9.99}{x}=\frac{100\%}{90\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{9.99}=\frac{90}{100}

\Rightarrow{x} = {8.991}

Therefore, {90\%} of {9.99} is {8.991}

#### Solution for What is 9.99 percent of 90:

9.99 percent *90 =

(9.99:100)*90 =

(9.99*90):100 =

899.1:100 = 8.991

**Now we have: 9.99 percent of 90 = 8.991**

**Question: What is 9.99 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}={9.99\%}.

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

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

{x}={9.99\%}(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\%}{9.99\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{90}=\frac{9.99}{100}

\Rightarrow{x} = {8.991}

Therefore, {9.99\%} of {90} is {8.991}

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