Page 452 - Basic College Mathematics with Early Integers

CHAPTER 5 REVIEW 429

Definitions and Concepts Examples

Section 5.7 Conversions Between the U.S. and Metric Systems

To convert between systems, use approximate unit frac- Convert 7 feet to meters.
tions from Section 5.7.
7 ft 0.30 m
7 ft L # = 2.1 m
1 1 ft
Convert 8 liters to quarts.
8 L 1.06 qt
8 L L # = 8.48 qt
1 1 L
Convert 363 grams to ounces.
363 g 0.04 oz
363 g L # = 14.52 oz
1 1 g

Chapter 5 Review

(5.1) Write each ratio as a fraction in simplest form.
1. 23 to 37 2. 14 to 51 3. 6000 people to 4800 4. $121 to $143
people

1 3 1 7
5. 3.5 centimeters to 6. 4.25 yards to 8.75 yards 7. 2 to 4 8. 3 to 2
4 8 2 10
7.5 centimeters

The circle graph below shows how the top 25 movies (or films) of 2009 were rated. Use this graph to answer the
questions.

Top 25 Movies of 2009 9. a. How many top 25 movies were rated PG?
b. Find the ratio of top 25 PG-rated movies to total movies for
G PG that year.
0 films 9 films
R
3 films 10. a. How many top 25 movies were rated R?
b. Find the ratio of top 25 R-rated movies to total movies for
that year.

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