Page 641 - Basic College Mathematics with Early Integers

618 C HAPTE R 8 I INTRODUCTION TO ALGEBRA

35. 7 2
35. 12% of what number is 0.6? 36. Multiply: #
8 3
36.

4 3
37. What percent of 12 is 9? 38. Divide: 1 , 2
37. 5 10

38.
39. Convert 3 pounds to ounces. 40. Round 23,781 to the nearest thousand.

39.
41. Add 2400 ml to 8.9 L. 42. Round 0.02351 to the nearest
40. thousandth.

41.
1 1
1
6 2 7.8 5.2
43. Is = a true proportion? 44. Is = a true proportion?
42. 1 1 3 2
10 4
2 2
43.

45. The standard dose of an antibiotic is 46. On a certain map, 2 inches represents
44. 4 cc (cubic centimeters) for every 75 miles. How many miles are repre-
25 pounds (lb) of body weight.At this sented by 7 inches?
rate, find the standard dose for a
45.
140-lb woman.

46.

47. Write each percent as a decimal.
47. 4.6% 48. 452%
48.

49.
Write each percent as a fraction in simplest form.

50. 1
49. 33 % 50. 27%
3
51.

51. Translate to an equation: Five is what 52. Translate to a proportion: Five is what
52. percent of 20? percent of 20?
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53.
53. Find the sales tax and the total price on 54. A salesperson makes a 7% commission
the purchase of an $85.50 atlas in a city rate on her total sales. If her total sales
54. where the sales tax rate is 7.5%. are $23,000, what is her commission?