Percent of a Number/Proportions

Convert to a percent:

 $\frac{21}{50}$  

• 0.42%

• 4.2%

• 4200%

• 42%

Convert to a percent:

 $\frac{8}{25}$  

• 0.825%

• 32%

• 8.25%

• 0.32%

What is 80% as a fraction in SIMPLEST FORM?

•  $\frac{8}{1}$  
  

•  $\frac{4}{5}$  
  

•  $\frac{80}{100}$  
  

•  $\frac{8}{10}$  
  

Convert to a decimal: 22%

• 0.22

• 2200.0

• 2.2

Convert to a percent: 0.018

• 0.18%

• 18%

• 1.8%

What percent of 15 is 12?

• 125%

• 80%

• 27%

What is 25% of 56?

• 25

• 31

• 14

162 is 90% of what?

• 180

• 110

• 252

The movie theater has 250 empty seats. 225 seats were sold for the current showing. What percent of seats are sold?

• 75%

• 90%

• 10%

• 225%

A survey of 1,000 people was done for music preferences. 80% of the people liked rock music. How many of the 1,000 people liked rock music?

• 920

• 200

• 80

• 800