Converting Fractions

There are 25 students performing in the holiday concert. Of the students, 11 are boys. What decimal represents the fraction of students that are boys?

• .48

• .52

• .44

• .56

Answer explanation

The question asks for the decimal representation of the fraction of boys in the concert. There are 11 boys out of 25 students. To get the decimal, divide 11 by 25 which equals 0.44. Hence, the correct option is 0.44.

50% is what fraction?

• 1/4

• 1/2

• 1

• 1/5

Answer explanation

The question asks to convert 50% into a fraction. The percent means 'per 100'. So, 50% can be written as 50/100. Simplifying this fraction by dividing the numerator and the denominator by their greatest common divisor, which is 50, we get 1/2. Therefore, the correct answer is '1/2'.

How would you change 65% to a decimal?

• Move the decimal 2 places to the left

• Move the decimal 2 places to the right

• Move the decimal 3 places to the left

• Move the decimal 3 places to the right

Answer explanation

To change 65% to a decimal, you need to move the decimal point two places to the left. So, 65.0% becomes 0.65. The correct choice is to move the decimal 2 places to the left.

Write the following fraction as a percent.
Hint- change to a decimal first then x 100 

• 37.5%

• 30%

• 42.5%

• 267%

Express 0.87 as a percent.

• 0.87%

• 8.7%

• 87%

• 870%

Express 56% as a decimal.

• 0.056

• 5.6

• 0.56

• 0.0056

Express 0.08 as a percent.

• 0.08%

• 80%

• 8%

• 0.008%

Express 11/50 as a percent.

• 220%

• 22%

• 50%

• 55%

Express 40% as a fraction in simplest form.

• 8/25

• 4/5

• 2/5

• 2/25

Convert 0.2 to a percent

• 20%

• 200%

• 0.2%

• 2%