Page 421 - Basic College Mathematics with Early Integers

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

97. A carpenter needs to cut a board into thirds. If the 98. A wall is erected exactly halfway between two
board is 9 ft 3 in. long originally, how long will each buildings that are 192 ft 8 in. apart. If the wall is
cut piece be? 8 in. wide, how far is it from the wall to either of the
buildings?

192 feet
9 feet 3 inches 8 inches

?
?
8 inches

99. An art class is learning how to make kites.The two 100. The total pages of a hardbound economics text are
sticks used for each kite have lengths of 1 m and 3.1 cm thick.The front and back covers are each
65 cm.What total length of wood must be ordered 2 mm thick. How high would a stack of 10 of these
for the sticks if 25 kites are to be built? texts be?

101. A logging firm needs to cut a 67-m-long redwood log 102. An 18.3-m-tall flagpole is mounted on a 65-cm-high
into 20 equal pieces before loading it onto a truck for pedestal. How far is the top of the flagpole from the
shipment. How long will each piece be? ground?

103. A 2.15-m-long sash cord has become frayed at both 104. A 112.5-foot-tall dead pine tree is removed by
ends so that 1 cm is trimmed from each end. How starting at the top and cutting off 9-foot-long
long is the remaining cord? sections. How many whole sections are removed?

105. The longest truck in the world is operated by Gould 106. Three hundred fifty thousand people daily see the
Transport in Australia, and is the 182-ft Road Train. large Coca-Cola sign in the Tokyo Ginza shopping
How many yards long are 2 of these trucks? district. It is in the shape of a rectangle whose length
(Source: Guinness World Records) is 31 yards and whose width is 49 feet. Find the area
of the sign in square feet. (Source: Coca-Cola
Company) (Hint: Recall that the area of a rectangle
is the product length times width.)

107. A floor tile is 22.86 cm wide. How many tiles in a 108. A standard postcard is 1.6 times longer than it is
row are needed to cross a room 3.429 m wide? wide. If it is 9.9 cm wide, what is its length?

Review

Write each decimal as a fraction and each fraction as a decimal. See Sections 4.1. and 4.5.

13 47 1 3
109. 0.21 110. 0.86 111. 112. 113. 114.
Copyright 2012 Pearson Education, Inc.
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