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28. Any symbol representing one fixed value that does not change is called

B. constant

C. variable

D. expression

A. equation

29. What do you call to the letters or symbols that represents a number?

A. equation

B. constant

c. variable

D. expression

30. Which represents Ericas age 5 years from now.

A. y + 5 B. 5+ y C. y – 8 D. X + 9

Erica is y years old now.

_31. Which represents Ericas age 2 years ago.

A. y+2

B. y – 2

C. y* 2

D. y – 2

32. What is the distance travelled? 7 hours at 65 km/h

A. 58 km

B.72 km

C. 400 km

D. 455 km

33. What is the average speed?

A. 8 m/s

B. 10 m/s

800 meters in 80 seconds

C. 16 m/s

D. 25 m/s

34. Find the distance travelled.

A. 25 km

B. 45 km

0.5 hours in 50 km/h

C. 55 km

D. 250 km

35. What is the distance travelled? 2 hours at 30 km/h

A. 15 km

B. 28 km

C. 32 km

D. 60 km

36. A car travels 360 kilometers in 4 hours. What is the average speed of the car?

A. 90 kph B. 356 kph

C. 364 kph

D. 400 kph

37. A car travelling at an average speed of 100 kilometers per hour made the trip to a certain town

in 7 hours. What is the total distance traveled by the car?

A. 400 km

B. 500 km

C. 600 km

D. 700 km

38. A bus traveled with a constant speed of 80 kilometers per hour. How long would it take to travel

320 kilometers?

A. 4 hours

B. 5 hours

C. 6 hours D. 7 hours

39. A train travels 675 kilometers in 2.5 hours. What was its speed?

A. 260.1 km/hr

B. 270.1 km/hr C. 280.1 km/hr

D. 290.1 km/hr

40. Beth drove her car and travelled 385 kilometers in 3 hours. What was her average speed?

A. 90 km/hr

B. 100 km/hr

C. 110 km/hr

D. 120 km/hr

**Answer:**

28. C

29. A

30. B

31. D

32. B

33. A

34. D

35. C

36. C

37. B

38. A

39. D

40. C