- rectangular array 10.in all
- how many does each 12.rise
CONCEPTS
- Write the following steps of the problem-solving
strategy in the correct order:
State, Check, Analyze, Form, Solve
- A 12-ounce Mountain Dew has 55 milligrams
of caffeine. Fill in the blanks to translate the following
statement to numbers and symbols.
is
- Multiply 15 and 8. Then divide that result by 3.
- Subtract 27 from 100. Then multiply that result
by 6.
GUIDED PRACTICE
Solve the following problems.See Example 1.
- TRUCKING An automobile transport is loaded with
9 new Chevrolet Malibu sedans, each valued at
$21,605. What is the total value of the cars carried by
the transport?
- GOLD MEDALS Michael Phelps won 8 gold medals
at the 2008 Summer Olympic Games in China. At
that time, the actual value of a gold medal was
estimated to be about $144. What was the total value
of Phelps’ gold medals?
Solve the following problems.See Example 2.
- TV HISTORY There were 95 fewer episodes of
I Love Lucymade than episodes of The Beverly
Hillbillies.If there are 274 episodes of The Beverly
Hillbillies,how many episodes of I Love Lucyare
there?
The number
of milligrams
of caffeine
in a 12-ounce
Dr Pepper
the number
of milligrams
of caffeine
in a 12-ounce
Mountain Dew.
14
fewer
than
The number
of milligrams
of caffeine
in a 12-ounce
Dr Pepper
- PETS In 2007, the number of American households
owning a cat was estimated to be 5,561,000 fewer
than the number of households owning a dog. If
43,021,000 households owned a dog, how many
owned a cat? (Source:U.S. Pet Ownership &
Demographics Sourcebook,2007 Edition)
Solve the following problems.See Example 3.
- CHOCOLATE A study found that 7 grams of dark
chocolate per day is the ideal amount to protect
against the risk of a heart attack. How many daily
servings are there in a bar of dark chocolate weighing
98 grams? (Source: ScienceDaily.com)
- TRAVELING A tourism website claims travelers
can see Europe for $95 a day. If a tourist saved $2,185
for a vacation, how many days can he spend in
Europe?
Solve the following problems. Use a table to organize the facts of
the problem.See Example 4.
- THEATER The play Romeo and Julietby William
Shakespeare has five acts. The first act has 5 scenes.
The second act has 6 scenes. The third and fourth acts
each have 5 scenes, and the last act has 3 scenes. In all,
how many scenes are there in the play?
- STATEHOOD From 1800 to 1850, 15 states joined
the Union. From 1851 to 1900, an additional 14 states
entered. Three states joined from 1901 to 1950. Since
then, Alaska and Hawaii are the only others to enter
the Union. In all, how many states have joined the
Union since 1800?
Solve the following problems. Use a diagram to show the facts
of the problem.See Example 5.
- BAKING A baker uses 3-ounce pieces of bread
dough to make dinner rolls. How many dinner rolls
can he make from 5 pounds of dough? (Hint:There
are 16 ounces in one pound.)
- DOOR MATS There are 7 square yards of carpeting
left on a roll. How many 4-square-foot door mats can
be made from the roll? (Hint:There are 9 square
feet in one square yard.)
Solve the following problems.See Example 6.
- LAPTOPS A file folder named “Finances” on a
student’s Thinkpad T60 contained 81 documents. To
free up 3 megabytes of storage space, he deleted
26 documents from that folder. Then, 48 hours later,
he inserted 13 new documents (2 megabytes) into it.
How many documents are now in the student’s
“Finances” folder?
76 Chapter 1 Whole Numbers
