Page 81 - Basic College Mathematics with Early Integers

58 C HAPTE R 1 I THE WHOLE NUMBERS

87. A line of print on a computer contains 60 characters 88. An average cow eats 3 pounds of grain per day. Find
(letters, spaces, punctuation marks). Find how many how much grain a cow eats in a year. (Assume 365
characters there are in 35 lines. days in 1 year.)

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89. One ounce of Planters Dry Roasted Peanuts has 90. One ounce of Planters Dry Roasted Peanuts has 13
160 calories. How many calories are in 8 ounces? grams of fat. How many grams of fat are in 16 ounces?
(Source: RJR Nabisco, Inc.) (Source: RJR Nabisco, Inc.)

91. The Thespian club at a local community college is 92. The student activities group at North Shore Community
ordering T-shirts.T-shirts size S, M, or L cost $10 College is planning a trip to see the local minor league
each and T-shirts size XL or XXL cost $12 each. Use baseball team.Tickets cost $5 for students, $7 for
the table below to find the total cost. (The first row nonstudents, and $2 for children under 12. Use the
is filled in for you.) following table to find the total cost.

Number of Cost per Cost per Number of Cost per Cost per
T-Shirt Size Shirts Ordered Shirt Size Ordered Person Persons Person Category
S 4 $10 $40 Student 24 $5 $120
M 6 Nonstudent 4
L 20 Children under 12 5
XL 3
XXL 3

93. Celestial Seasonings of Boulder, Colorado, is a tea 94. The number of “older”Americans (ages 65 and older)
company that specializes in herbal teas, accounting has increased twelvefold since 1900. If there were
for over $100,000,000 in herbal tea blend sales in the 3 million “older”Americans in 1900, how many were
United States annually.Their plant in Boulder has there in 2008? (Source:Administration on Aging, U.S.
bagging machines capable of bagging over 1000 bags Census Bureau)
of tea per minute. If the plant runs 24 hours a day,
how many tea bags are produced in one day?
(Source: Celestial Seasonings)

Mixed Practice (Sections 1.3, 1.4, 1.6) Perform each indicated operation.

95. 128 96. 126 97. 134
+ 7 - 8 * 16

98. 47 + 26 + 10 + 231 + 50 99. Find the sum of 19 and 4. 100. Find the product of 19 and 4.

101. Find the difference of 19 and 4. 102. Find the total of 19 and 4.

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Concept Extensions

Solve. See the first Concept Check in this section.

103. Rewrite 7 + 7 + 7 + 7 using multiplication. 104. Rewrite 11 + 11 + 11 + 11 + 11 + 11 using
multiplication.