Basic Mathematics for College Students

28. ANTIQUES A woman purchases 8 antique spoons
    each year. She now owns 56 spoons. In how many
    years will she have 200 spoons in her collection?


29. HIP HOPForbesmagazine estimates that in 2008,
    Shawn “Jay-Z” Carter earned $82 million. If this
    was $68 million less than Curtis “50 Cent” Jackson’s
    earnings, how much did 50 Cent earn in 2008?


30. BUYING GOLF CLUBS A man needs $345
    for a new set of golf clubs. How much more
    money does he need if he now has $317?


31. INTERIOR DECORATING As part of
    redecorating, crown molding was installed around
    the ceiling of a room. Sixty feet of molding was
    needed for the project. Find the length and the
    width of the room if its length is twice the width.


32. SPRINKLER SYSTEMS A landscaper buried a water
    line around a rectangular lawn to serve as a supply line
    for a sprinkler system. The length of the lawn is 5 times
    its width. If 240 feet of pipe was used to do the job,
    what is the length and the width of the lawn?


33. GRAVITY The weight of an object on Earth is 6
    times greater than what it is on the moon. The situation
    shown below took place on Earth. If it took place on
    the moon, what weight would the scale register?

300

360

Pounds

330

On Earth

Lawn

Paint

Molding

Wallpaper

34. INFOMERCIALS The number of orders received
    each week by a company selling skin care products
    increased fivefold after a Hollywood celebrity was
    added to the company’s infomercial. After adding the
    celebrity, the company received about 175 orders
    each week. How many orders were received each
    week before the celebrity took part?

35.THEATER The play Romeo and Juliet,by

William Shakespeare, has 5 acts and a total of

24 scenes. The second act has the most scenes, 6.

The third and fourth acts both have 5 scenes.

The last act has the least number of scenes, 3.

How many scenes are in the first act?

36. U.S. PRESIDENTS As of December 31, 1999,
    there had been 42 presidents of the United States.
    George Washington and John Adams were the
    only presidents in the18th century (1700-1799).
    During the 19th century (1800-1899), there were
    23 presidents. How many presidents were there
    during the 20th cenury (1900-1999)?


37. HELP WANTED From the following ad from the
    classified section of a newspaper, determine the
    value of the benefit package. ($45K means $45,000.)


38. POWER OUTAGES The electrical system in a
    building automatically shuts down when the meter
    shown reads 85. By how much must the current reading
    increase to cause the system to shut down?


39. VIDEO GAMES After a week of playing Sega’s Sonic
    Adventure,a boy scored 11,053 points in one game—
    an improvement of 9,485 points over the very first
    time he played. What was his score for his first game?

90

(^305070)
10
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686 Chapter 8 An Introduction to Algebra