Page 580 - Basic College Mathematics with Early Integers

CUMULATIVE REVIEW 557

23. 2 + 6 24. 21 + 15 + 1-192 23.
24.

Subtract. 25.

25. -4 - 10 26. -2 - 3 26.
27.
27. 6 - 1-52 28. 19 - 1-102
28.
29.
29. -11 - 1-72 30. -16 - 1-132
30.

31.
Divide.
32.
-12 -30
31. 32. 33.
6 -5
34.

33. -20 , 1-42 34. 26 , 1-22
35.
36.
48 -120
35. 36.
-3 12
37.

4 1 1 1 38.
37. Add: 2 + 5 + 1 38. Multiply: 5 # 2
5 2 3 8

39.
Write each rate as a fraction in simplest form.

39. $2160 for 12 weeks 40. 340 miles every 5 hours
40.

41.
41. Convert 7 feet to yards. 42. Convert 2.5 tons to pounds.
42.

43. Convert 2.35 cg to grams. 44. Convert 106 cm to millimeters. 43.

44.
1 1
45. Find: 46. Find: 45.
A36 A25

46.
47. Find the mode of the list of numbers: 48. Find the median of the numbers in 47.
11, 14, 14, 16, 31, 56, 65, 77, 77, 78, 79 Exercise 47.
48.

49. If a coin is tossed twice, find the proba- 50. A bag contains 3 red marbles and 49.
bility of tossing heads on the first toss 2 blue marbles. Find the probability
and then heads again on the second toss. of choosing a red marble. 50.