Page 201 - Basic College Mathematics with Early Integers

178 C HAPTE R 3 I FRACTIONS

Write each fraction. (Note to students: In case you know how to simplify fractions, none of the fractions in this section
are simplified.) See Example 9.

33. Of the 131 students at a small private school, 42 are 34. Of the 63 employees at a new biomedical engineering
freshmen.What fraction of the students are firm, 22 are men.What fraction of the employees are
freshmen? men?

35. Use Exercise 33 to answer a and b. 36. Use Exercise 34 to answer a and b.
a. How many students are not freshmen? a. How many of the employees are women?
b. What fraction of the students are not freshmen? b. What fraction of the employees are women?

37. As of 2009, the United States has had 44 different 38. Of the eight planets in our solar system, four have
presidents.A total of seven U.S. presidents were days that are longer than the 24-hour Earth day.What
born in the state of Ohio, second only to the state of fraction of the planets have longer days than Earth
Virginia in producing U.S. presidents.What fraction has? (Source: National Space Science Data Center)
of U.S. presidents were born in Ohio? (Source:
World Almanac and Book of Facts)

39. The Atlantic hurricane season of 2005 rewrote the 40. There are 12 inches in a foot.What fractional part of a
record books.There were 28 tropical storms, 15 of foot does 5 inches represent?
which turned into hurricanes.What fraction of the
2005 Atlantic tropical storms escalated to 12 inches
hurricanes?
5 inches

41. There are 31 days in the month of March.What 42. There are 60 minutes in an hour.What fraction of an
fraction of the month does 11 days represent? hour does 37 minutes represent?

Mon. Tue. Wed. Thu. Fri. Sat. Sun.
1 2
3 4 5 6 7 8 9
10 11 12 13 14 15 16
17 18 19 20 21 22 23
24 25 26 27 28 29 30
31

43. In a prealgebra class containing 31 students, there 44. In a sports team with 20 children, there are 9 boys and
are 18 freshmen, 10 sophomores, and 3 juniors.What 11 girls.What fraction of the team is boys?
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fraction of the class is sophomores?