Page 407 - Basic College Mathematics with Early Integers

Answers
Integrated Review Sections 5.1–5.3

1.
Ratio and Proportion

2. Write each ratio as a ratio of whole numbers using fractional notation.Write the fraction in
simplest form.
1. 18 to 20 2. 36 to 100 3. 8.6 to 10 4. 1.6 to 4.6
3.

1 2 3
4. 5. $8.65 to $6.95 6. 7.2 ounces to 8.4 7. 3 2 to 13 8. 1 3 to 2 4
ounces

5.
9. 8 inches to 12 inches 10. 3 hours to 24 hours

6.
Find the ratio described in each problem.

11. In 2009, a full college professor earned 12. The New York Yankees are a dynastic
7. $108.7 thousand, while an associate powerhouse.They have won 26 out of
professor earned $76.1 thousand. Find the 104 Major League Baseball World
the ratio of full professor salary to Series played through 2008. (Source:
associate professor salary. (Source: Major League Baseball)
8.
American Association of University
Professors)

9.

13. The circle graph below shows how the 14. Find the ratio of the width to the length
top 25 movies of 2009 were rated. Use of the sign below.
10. this graph to answer the questions.
12 inches
a. How many top 25 movies were rated
PG-13?
11. b. Find the ratio of top 25 R-rated
movies to PG-rated movies for 2009.

Top 25 Movies of 2009
18 inches
12.
G PG
0 films 9 films
R
13. a. 3 films

Copyright 2012 Pearson Education, Inc.
b.

PG-13
13 films
14. Source: MPAA
Note: There were no G-rated films in the top 25 for 2009

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