2. 1. 2. 3. 4. 5.

3. 1. 2/5 2. 5/7 3. 5/2 4. 2/3

4. 1. $0.75 2. $1.25 3. $1.33 4. $3.50

5. 1. 2.33 miles per hour 2. 0.333 miles per hour 3. 3 miles per hour

6. 1. Melody 2. Carlos

7. 1. The slope is the unit rate. 2. The slope is the change in x divided by the change in y. 3. The unit rate is the constant of proportionality.

8. 3.56Chip & Mrs. Potts 3.2Lumiere 2.9Cogsworth 2.4Beast

9. 1. y = 6x 2. y = 2x – 5 3. y = 6 + x 4. y = (-3)x + 5

10. 1. 2400 wpm 2. 1600 wpm 3. 800 wpm 4. 40 wpm

11. 1. 4 2. 12 3. 192 4. 16

12. 6.33Chip & Mrs. Potts 6Lumiere 5.7Cogsworth 5.2Beast

13. 1. 0% 2. 25% 3. 50% 4. 75% 5. 100%

14. 1. The constant of proportionality is $6. 2. 6 gallons cost $16.80. 3. 16.80 gallons cost $6.

15. 13.33Chip & Mrs. Potts 11.65Cogsworth 11.45Lumiere 8.25Beast

16. Time43456 Total$25.50$34$42.5051 1. Y = $25.50x 2. Y = $8.50x 3. Y = $25.50 + x 4. Y = $8.50 + x

17. 1. 12 2. 48 3. 576 4. 0.3333

18. 1. 2. 3. 4.

19. 1. Betty lost 9 pounds in 9 weeks. 2. Sara drove 720 miles in 8 hours. 3. There are 90 boxes on 10 shelves. 4. There are 900 people in 90 rows.

20. 1. Y = 55x 2. Y = 9x 3. X = 55y 4. X = 9y

21. 1. Unit rate 2. Constant of proportionality 3. Slope 4. All of the above

22. 1. 44 2. 8 3. 396

23. 20Chip & Mrs. Potts 18.25Lumiere 18.15Cogsworth 14.65Beast

24. 1. 0% 2. 25% 3. 50% 4. 75% 5. 100%

25. 1. Both trains are travelling at the same rate of speed. 2. Both the graph and the equation represent a proportional relationship. 3. Both trains have a slope of 200.

26. 45Participant 11 45Participant 3 45Participant 14 43Participant 12 43Participant 25

27. 33.81Participant 14 58.53Participant 20 78.48Participant 19 80.97Participant 33 89.32Participant 23

28. 17.19Chip & Mrs. Potts 16.76Lumiere 15.55Beast 10.33Cogsworth