Page 383 - Basic College Mathematics with Early Integers

360 C HAPTE R 5 I RATIO, PROPORTION, AND MEASUREMENT

Write the ratio described in each exercise as a fraction in simplest form. See Examples 5 and 6.

17. 18.
Average Weight of Mature Whales Countries with Small Land Areas
Blue Whale Fin Whale Tuvalu San Marino
145 tons 50 tons 10 sq mi 24 sq mi
(Source:World Almanac)
Use the table to find the ratio of the weight of an
average mature Fin Whale to the weight of an Use the table to find the ratio of the land area of
average mature Blue Whale. Tuvalu to the land area of San Marino.

19. Find the ratio of the width of a regulation size 20. Find the ratio of the width to the perimeter shown
basketball court to its perimeter. of the swimming pool.

50 feet (width)
30 feet (width)
94 feet (length)
45 feet (length)

At the Hidalgo County School Board meeting one night, there were 125 women and 100 men present.

21. Find the ratio of women to men. 22. Find the ratio of men to the total number of people
present.

23. Find the ratio of the longest side to the perimeter of 24. Find the ratio of the base to the perimeter of the
the right-triangular-shaped billboard. triangular mainsail.

8 feet
15 feet
13 feet 12 feet
(height)

5 feet
(base)
17 feet

In 2009, 558 films by U.S. production companies were released. Use this information for Exercises 25 and 26.

25. In 2009, 20 digital 3-D films were released by U.S.
Copyright 2012 Pearson Education, Inc.
production companies. Find the ratio of digital films to
total films for 2009.

26. In 2009, 400 independent films were released by U.S.
production compaines. Find the ratio of independent
films to total films for 2009.