### All Basic Arithmetic Resources

## Example Questions

### Example Question #31 : Percents And Decimals

If students out of a class of are wearing blue, what percentage of the class is **NOT** wearing blue?

**Possible Answers:**

**Correct answer:**

If of the students are wearing blue then that means of them are not wearing blue. Because,

Now to find the percentage we divide the number of students not wearing blue, by the total number of students in the class and then multiply by .

Thus,

### Example Question #1 : Changing A Fraction To Percent

Convert to a percentage.

**Possible Answers:**

**Correct answer:**

The correct answer is 20%. This can be obtained by first converting the fraction to a decimal and then multiplying by 100 to get a percentage.

### Example Question #1 : Changing A Fraction To Percent

Change to a percent.

**Possible Answers:**

**Correct answer:**

To convert a fraction into a percent, we need to first change the fraction into a decimal.

Now, change the decimal into a percent by multiplying by 100 and adding a percent sign.

Add a percent sign

### Example Question #1 : Changing A Fraction To Percent

What is as a percent?

**Possible Answers:**

**Correct answer:**

To change a fraction into a percent, you need to first change the fraction into a decimal.

Dividing 12 by 13 gives the following:

Now, to change the decimal to a percent, start by multiplying the decimal by 100.

Then, just add a percent sign.

### Example Question #1 : Changing A Fraction To Percent

What is of ?

**Possible Answers:**

**Correct answer:**

Convert 1% to a fraction by dividing 100. One percent is equivalent to:

Multiply this with two, and the answer is:

### Example Question #1 : Changing A Fraction To Percent

Convert to a percent.

**Possible Answers:**

**Correct answer:**

A percentage can be written as a fraction with any positive whole number in the numerator and 100 in the denominator. To write the fraction as a percent, begin by writing both as fractions:

Cross-multiply to find the missing whole number.

Divide the known value by the unknown to solve for x.

is percent of , so the answer is .

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