A circular coffee table has a diameter of 5 ft. What will it cost to have the
top refinished if the company charges $3 per square foot for the refinishing?
Construction. An A-frame cabin has a triangular front with a base of 30 ft and a
height of 20 ft. If the front is to be glass that costs $3 per square foot, what will the
glass cost?
The distance from Philadelphia to Sea Isle City is 100 mi. A car was driven this
distance using tires with a radius of 14 in. How many revolutions of each tire
occurred on the trip?
Business and finance. Seven employees of an office donated a total of $172.06
during a charity drive. What was the average donation?
Four brands of soap are available in a local store.
BRAND OUNCES TOTAL PRICE UNIT PRICE
Squeaky Clean 5.5 $0.36
Smell Fresh 7.5 0.41
Feel Nice 4.5 0.31
Look Bright 6.5 0.44
Compute the unit price and decide which brand is the best buy.
Find the decimal equivalents for each of the following mixed numbers
Statistics. The following table gives the wins and losses of all the teams in the
Western Division of the National Football Conference for a recent season. Determine
the ratio of wins to total games played for every team, rounding to three decimal
points for each of the teams.
Team Wins Losses
San Francisco 10 6
St. Louis 7 9
Seattle 7 9
Arizona 5 11
Every fraction has a decimal equivalent that either terminates (for example, ) or
repeats (for example, ). Work with a group to discover which fractions have terminating
decimals and which have repeating decimals. You may assume that the numerator
of each fraction you consider is and focus your attention on the denominator. As you complete
the table below, you will find that the key to this question lies with the prime factorization
of the denominator.
Fraction Decimal Form Terminate? Prime factorization of the Demoniator
State a general rule describing which fractions have decimal forms that terminate and
which have decimal forms that repeat.
Now test your rule on at least three new fractions. That is, be able to predict whether a
fraction such as 1/25 or1/30 has a terminating decimal or a repeating decimal. Then confirm
your prediction.
Write each of the following as a common fraction or mixed number. Write your answer in
lowest terms. 15.35
Complete each of the following statements, using the symbol <>.
_ 0.313
Statistics. The following table gives the winning percentages of the top five coaches
in NFL history. What fraction of his games has each coach won?
Coach Percentage
Don Shula 0.676
George Halas 0.672
Tom Landry 0.606
Curly Lambeau 0.624
Paul Brown 0.667
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