Pre-Algebra Chapter 6 - Ramsey School District

42. CRITICAL THINKING Determine whether n% of m is always equal to
m% of n. Give examples to support your answer.
Standardized
Test Practice
43. WRITING IN MATH Answer the question that was posed at the beginning
of the lesson.
How is the percent proportion related to an equation?
Include the following in your answer:
• an explanation describing two methods for finding the amount of tax on
an item, and
• an example of using both methods to find the amount of sales tax on
an item.
44. What percent of 320 is 19.2?
A 0.6% B 60% C 6% D 0.06%
45. Ryan wants to buy a tent that costs $150 for his camping trip. The tent is
on sale at a 30% discount. What will be the sale price of the tent?
A 95 B 105 C 45 D 110
Maintain Your Skills
Mixed Review
Estimate. Explain which method you used to estimate. (Lesson 6-6)
46. 47% of 84 47. 126% of 198 48. 9% of 514
Use the percent proportion to solve each problem. (Lesson 6-5)
49. What is 55% of 220? 50. 50.88 is what percent of 96?
51. POPULATION The graphic
shows the number of
stories of certain buildings
in Tulsa, Oklahoma.
What is the mean of the
data? (Lesson 5-8)
Source: The World Almanac
Building
Williams Center
Cityplex Central Tower
First National Bank
Mid-Continent Tower
Fourth National Bank
National Bank of Tulsa
Stories
52
60
41
36
33
24
52. List all the factors of 30. (Lesson 4-1)
GEOMETRY Find the perimeter of each rectangle. (Lesson 3-7)
53. 13 cm
54.
25 in.
6 cm
11 in.
55. ALGEBRA Use the Distributive Property to rewrite (w 3)8. (Lesson 3-1)
Getting Ready for
the Next Lesson
PREREQUISITE SKILL Write each decimal as a percent.
(To review writing decimals as percents, see Lesson 6-4.)
56. 0.58 57. 0.89 58. 0.125
59. 1.56 60. 2.04 61. 0.224
302 Chapter 6 Ratio, Proportion, and Percent