Page 420 - Basic College Mathematics with Early Integers

S E C T I O N 5.4 I LENGTH: U.S. AND METRIC SYSTEMS OF MEASUREMENT 397

87. At its deepest point, the Grand Canyon of the 88. The Black Canyon of the Gunnison River is only
Colorado River in Arizona is about 6000 ft.The 1150 ft wide at its narrowest point.At its narrowest,
Grand Canyon of the Yellowstone River, which is 1
the Grand Canyon of the Yellowstone is mile wide.
in Yellowstone National Park in Wyoming, is at 2
Find the difference in width between the Grand
most 900 feet deep. How much deeper is the Grand
Canyon of the Yellowstone and the Black Canyon of
Canyon of the Colorado River than the Grand
the Gunnison. (Note: Notice that the dimensions are
Canyon of the Yellowstone River? (Source: National
different.) (Source: National Park Service)
Park Service)
89. The tallest man in the world is recorded as Robert 90. A 3.4-m rope is attached to a 5.8-m rope. However,
Pershing Wadlow of Alton, Illinois. Born in 1918, he when the ropes are tied, 8 cm of length is lost to form
measured 8 ft 11 in. at his tallest.The shortest man in the knot.What is the length of the tied ropes?
the world is Gul Mohammed of India, who measures
22.5 in. How many times taller than Gul is Robert?
Round to one decimal place. (Source: Guinness
World Records)

91. The length of one of the Statue of Liberty’s hands is
16 ft 5 in. One of the statue’s eyes is 2 ft 6 in. across.
How much longer is a hand than the width of an
eye? (Source: National Park Service)

92. The width of the Statue of Liberty’s head from ear to
ear is 10 ft.The height of the statue’s head from chin
to cranium is 17 ft 3 in. How much taller is the
statue’s head than its width? (Source: National Park
Service)

93. The ice on a pond is 5.33 cm thick. For safe skating, 94. The sediment on the bottom of the Towamencin
the owner of the pond insists that it be 80 mm thick. Creek is normally 14 cm thick, but the recent
How much thicker must the ice be before skating is flood washed away 22 mm of sediment. How thick
allowed? is it now?

95. The Amana Corporation stacks up its microwave 96. The highway commission is installing concrete sound
ovens in a distribution warehouse. Each stack is barriers along a highway. Each barrier is 1 yd 2 ft
1 ft 9 in. wide. How far from the wall would 9 of long. Find the total length of 25 barriers placed
these stacks extend? end to end.

? 25 barriers

…

1 yd 2ft
1 ft 9 in.