Proportions Percent Proportions and Percent Change

There is a jar of jellybeans on Mrs. Miller's desk.  40% of the jellybeans are red.  If there are 55 jelly beans in the jar, how many are red?

• 20

• 22

• 24

• 25

What is 82% written as a decimal?

• 82

• 820

• 0.082

• 0.82

Solve the proportion below:

• 418

• 2

• 38

• 11

Find the PERCENT of change.
20 dogs to 5 dogs

• Decrease 15%

• Increase 15%

• Increase 75%

• Decrease 75%

Find the PERCENT of Change.
The original cost was $50 and the new cost is $60. 

• Increase 20%

• Increase 16.67%

• Increase $10

• Decrease $10

Find the percent of change if the original cost was $5 and the new cost is $1. 

• Increase $4

• Decrease $4

• Decrease 80%

• Decrease 400%

Last week, you finished level 2 of a video game in 32 minutes. Today, you finished level 2 in 28 minutes. What is your percent of change?

• Increase 12.5%

• Decrease 12.5%

• Increase 4%

• Decrease 4%

proportion

• an equation that states that two ratios are equivalent

• a ratio that compares a number to 100

• a comparison of two numbers by division

• a percent change describing a decrease in a quantity

percent

• a ratio that compares a number to 100

• a comparison of two numbers by division

• a percent change describing a decrease in a quantity

• a percent change describing an increase in a quantity

12% of the cars that went through the car wash were blue. If 75 cars went through the car wash, how many of the cars were blue?

• 900

• 90

• 0.09

• 9