Proportions and Unit Rate

Which is a good example of two ratios that are proportional? 

• 1/3 = 4/7

• 1/2 = 2/4

• 15/1 = 30/5

• 20/10 = 35/5

Convert the following fraction into a decimal.
24/48

• 24.48

• 2.4

• 0.5

• 2.0

26 is 5% of what number?

• 3

• 5

• 25.95

• 520

Sarah earns $20 a day working after school. She spent 30% of her daily earnings on Monday. How much money did she spend on Monday?

• $1.40

• $6

• $0.60

• $14

What is 30% of 80?

• 30

• 24

• 2.4

• 56

Jose started doing extra chores around the house and his allowance changed from $30 per week to $40 per week. What is the percent if change in Jose's allowance?

• Increase of 33.3%

• Increase of 25%

• Increase of 30.3%

• Increase of 38%

What is the unit rate in this proportional relationship?

• 60 miles/1 hour

• 120 miles/ 2 hours

• 1 mile/ 1 hour

Find the unit rate of $7.96 for 5 pounds of jolly ranchers. 

• $0.63 per pound

• 1.59 pounds

• $1.59 per pound

• A
• B
• C
• D

In the equation y = 14x, what is the constant of proportionality?

• y

• x

• 14