Page 94 - Basic College Mathematics with Early Integers

S E C T ION 1. 7 I DIVIDING WHOLE NUMBERS 71

83. Ari Trainor is in the requisitions department of 84. Professor Lopez has a piece of rope 185 feet long that
Central Electric Lighting Company. Light poles she wants to cut into pieces for an experiment in her
along a highway are placed 492 feet apart.The first physics class. Each piece of rope is to be 8 feet long.
light pole is at the beginning of a 1-mile strip. Find Determine whether she has enough rope for her
how many poles he should order for the 1-mile strip 22-student class. Determine the amount extra or the
of highway. (A mile is 5280 feet.) amount short.

185 feet

… 8 feet 8 feet
492 feet
492 feet

1 mile

85. Broad Peak in Pakistan is the twelfth-tallest 86. DeAngelo Williams of the Carolina Panthers led the
mountain in the world. Its elevation is 26,400 feet. NFL in touchdowns during the 2008 football season,
A mile is 5280 feet. How many miles tall is Broad scoring a total of 120 points from touchdowns. If a
Peak? (Source: National Geographic Society) touchdown is worth 6 points, how many touchdowns
did Williams make during 2008? (Source: National
Football League)

87. Find how many yards are in 1 mile. (A mile is 88. Find how many whole feet are in 1 rod. (A mile is
5280 feet; a yard is 3 feet.) 5280 feet; 1 mile is 320 rods.)

1 foot 1 foot 1 foot 1 foot 1 foot 1 foot …

1 yard 1 yard …

5280 feet

Objective Find the average of each list of numbers. See Example 12.

89. 10, 24, 35, 22, 17, 12 90. 37, 26, 15, 29, 51, 22 91. 205, 972, 210, 161

92. 121, 200, 185, 176, 163 93. 86, 79, 81, 69, 80 94. 92, 96, 90, 85, 92, 79

The normal monthly temperature in degrees Fahrenheit for Salt Lake City, Utah, is given in the graph. Use this graph
to answer Exercises 95 and 96. (Source: National Climatic Data Center)

Normal Monthly Temperature 95. Find the average temperature for June, July, and
(in Fahrenheit) for
Salt Lake City, Utah August.

77 76
80 59 69 65 53 96. Find the average temperature for October,
Degrees Fahrenheit 60 29 35 43 50 40 30
70
November, and December.
50
40
30
20
10
0
J F M A M J J A S O N D
Month