1. What is the constant of proportionality for the table below? x y 10 25 8 20 4 10 2 5 A. 5 B. 2.5 C. 2.5 D. 5 2. One printing machine printed 500 books in 40 hours this week. A second printing machine printed for 30 hours this week but printed books at twice the hourly rate of the first machine. How many books did the second machine print this week? A. 375 B. 500 C. 750 D. 1,000
3. Maxine recorded the number of hours she worked and how much she earned each week for 4 weeks in the table below. Hours worked Earnings 8 $92.00 12 $138.00 15 $172.50 17 $195.50 How much money did Maxine earn per hour? A. $8.00 B. $10.50 C. $11.50 D. $13.00 4. Janice is traveling at a constant rate. She traveled 243 miles on 9 gallons of gas and 324 miles on 12 gallons of gas. How many miles can Janice travel on one gallon of gas? A. 24 miles B. 27 miles C. 30 miles
5. The graph below shows the distance a train travels over time. How fast is the train traveling? A. 25 miles per hour B. 50 miles per hour C. 75 miles per hour D. 100 miles per hour
6. Mike bought 4.5 pounds of bananas for $5.40. What is the price per pound for the bananas? A. $0.83 B. $0.90 C. $1.20 D. $1.44 8. A car wash machine cleaned 20 cars in 50 minutes. At this rate, how many minutes will it take the machine to clean 1 car? A. 0.4 B. 2.5 C. 3 D. 5
9. The graph below shows the number of hours Rebecca worked and the amount of money she earned. How much money does Rebecca earn per hour? A. $8 B. $12 C. $20
10. The graph below shows the amount of money Janet earned at her new job. How much does Janet earn per hour? A. $7.50 B. $10.00 C. $10.50 D. $15.00
11. The graph below shows the cost to rent a car from a company for different numbers of days. What is the cost per day to rent a car? A. $30 B. $40 C. $50
12. Harry ran 5 miles. He started at 10:30 and finished at 11:20. What was Harry's average speed in miles per hour? A. 3 miles per hour B. 4 miles per hour C. 5 miles per hour D. 6 miles per hour 13. Ms. Larson was driving home from a vacation. At noon, she was 120 miles from home. Half an hour later, she was 98 miles from home. If Ms. Larson traveled at a constant rate during this time, what was her speed? A. 22 miles per hour B. 38 miles per hour C. 44 miles per hour D. 49 miles per hour
14. Isabelle s school has a total of 486 seventh grade students. There are 3 technology classes, each with 27 seventh grade students. What is the ratio of seventh grade students taking a technology class to all seventh grade students? A. 6:1 B. 1:6 C. 18:1 D. 1:18 15. Dolores paid $4.50 for 6 muffins at a school bake sale. At this rate, how much did she pay for each muffin? A. $1.50 B. $1.33 C. $0.80 D. $0.75
16. The chart below shows the growth of four plants for 4 weeks. Height of Plants (cm) Plant 1 Plant 2 Plant 3 Plant 4 Week 1 1.8 2.0 4.5 4 Week 2 2.2 2.6 4.9 8 Week 3 2.6 2.8 5.2 15 Week 4 3.0 3.0 5.5 30 Which plant shows a constant rate of growth? A Plant 1 B Plant 2 C Plant 3 D Plant 4 17. The cost of notebooks at the school store is shown in the table below. Number of Notebooks Cost 2 $1.50 3 $2.25 4 $3.00 5 $3.75 What is the cost of one notebook? A. $0.50 B. $0.75 C. $1.50 D. $2.25
18. The table below shows the amount of sugar Peggy used to make different amounts of chocolate chip cookies. Amount of Sugar cup cups cups Dozens of Cookies 2 4 7 What is the constant of proportionality for amount of sugar per dozen cookies? A. cup B. cup C. cup D. cup
19. The graph below shows that the number of miles traveled by two cars is proportional to the gallons of gas used. Which statement is true about the graph? A. The unit rate of car A is about 10% greater than car B, so car A gets better mileage. B. The unit rate of car A is about 10% greater than car B, so car B gets better mileage. C. The unit rate of car B is about 25% greater than car A, so car A gets better mileage. D. The unit rate of car B is about 25% greater than car A, so car B gets better mileage.
20. Amy charges $12 more for 5 hours of babysitting than she does for 3 hours of babysitting. What does Amy charge per hour of babysitting? A. $6 B. $7 C. $9 D. $4 21. A 14-pound bag of dog food costs $16.24, and a 30-pound bag of dog food costs $33.30. Which statement is true and can be used to determine the better buy? A. The unit rate per pound of a 14-pound bag is $0.05 less than the unit rate of a 30-pound bag. B. The unit rate per pound of a 14-pound bag is $0.05 more than the unit rate of a 30-pound bag. C. The unit rate per pound of a 14-pound bag is $0.50 less than the unit rate of a 30-pound bag. D. The unit rate per pound of a 14-pound bag is $0.50 more than the unit rate of a 30-pound bag.
22. The graph below shows the cost of grapes when purchased by the pound. What is the cost for 1 pound of grapes? A. $0.70 B. $1.25 C. $1.40 D. $1.50
23. What is the constant of proportionality for the line in the graph below? A. 1 B. 1 C. 2
24. The graph below shows the cost of tickets to an amusement park. According to the graph, what would be the cost of one ticket? A. $25 B. $35 C. $50 D. $60
25. The number of gallons of gasoline purchased are shown in the table below. Gallons of Gasoline Cost 6.4 $20.80 8.2 $26.65 11.8 $38.35 15.6 $50.70 What is the price for one gallon of gasoline? A $3.00 B $3.20 C $3.25 D $3.45 26. At a skating rink, the cost of a birthday party depends on the number of guests who attend. The table shows the prices. Guests (x) Cost (y) 6 $43.50 10 $72.50 15 $108.75 What is the cost per guest? A. $4.35 B. $7.25 C. $8.50 D. $10.88
27. Two dozen flowers cost $18.96, and four dozen flowers cost $37.92. What is the cost for one flower? A $18.96 B $9.48 C $0.95 D $0.79 28. What is the constant of proportionality for the line on the graph below? A. B. C. D.
29. Belinda recorded the miles she drove and the number of gallons of gasoline she used in the table below. Gallons of Gasoline Miles Driven 8 172 10 215 14 301 How many miles can Belinda drive on one gallon of gasoline? A. 43.0 B. 32.5 C. 21.5
30. What is the constant of proportionality for the line on the graph below? A. 2 B. 1 C. 1
31. The table below shows the cost to attend the school play based on the number of tickets purchased. Number of Tickets Cost 4 $12 8 $24 10 $30 How much does one ticket to the school play cost? A. $3 B. $4 C. $12
32. The line graph shows the total price of different amounts of gasoline at a gas station for the same price per gallon. Based on the graph, what is the price of 1 gallon of gasoline? A. $3.07 B. $3.10 C. $3.25 D. $4.00
33. As a car salesman, James earns a commission on every car he sells. The table below shows the commission he earns based on the number of cars he sells. How much commission does James earn on every one car sold? A. $100 B. $300 C. $600 D. $900