Page 460 - Basic College Mathematics with Early Integers

CUMULATIVE REVIEW 437

23. Write an equivalent fraction with the 24. Determine whether these fractions are
3 equivalent. 23.
indicated denominator. =
4 20 10 6 24.
55 33
25.
2 10 5 5
25. Subtract: - 26. Subtract: 17 - 9
3 11 24 9 26.
27. A flight from Tucson to Phoenix,
5 27.
Arizona, requires of an hour. If the
12 Arizona 28.
Arizona
1
plane has been flying of an hour, find
4 29.
how much time remains before landing.
Phoenix
5
12 hour 30.
Tucson 31.
32.

1 3
#
28. Simplify: 80 , 8 2 + 7 29. Add: 2 + 5
3 8
33.
3 4 11 34.
30. Find the average of , , and . 31. Insert 6 or 7 to form a true
5 9 15
statement.
3 9 35.
4 11 36.

32. Multiply: 28,000 * 500 33. Write the decimal -5.82 in words. 37.

34. Write “seventy-five thousandths” in 35. Round 736.2359 to the nearest tenth. 38.
standard form.
39.
36. Round 736.2359 to the nearest 37. Add: 23.85 + 1.604 40.
thousandth.
41.
38. Subtract: 700 - 18.76 39. Multiply: 0.0531 * 16

3 42.
40. Write as a decimal. 41. Divide: -5.98 , 115
8
43.
42. Write 7.9 as an improper fraction. 43. Simplify: -0.518.6 - 1.22
44.
44. Find the unknown number n. 45. Write the numbers in order from
n 12 smallest to largest. 45.
=
4 16 9 4
, , 0.456 46.
20 9
46. Write the rate as a unit rate. 700 meters in 5 seconds 47.

48.
Write each ratio as a fraction in simplest form.

47. The ratio of $15 to $10 48. The ratio of 7 to 21 49.

49. The ratio of 2.6 to 3.1 50. The ratio of 900 to 9000 50.