Basic Mathematics for College Students

40. Write each phrase as a ratio (fraction) in simplest
    form.[Section 5.1]
    a. 3 centimeters to 7 centimeters
    b. 13 weeks to 1 year


41. COMPARISON SHOPPING A dry-erase whiteboard
    with an area of 400 in.^2 sells for $24. A larger board,
    with an area of 600 in.^2 , sells for $42. Which board is
    the better buy?[Section 5.1]


42. Solve the proportion: [Section 5.2]


43. INSURANCE CLAIMS In one year, an auto
    insurance company had 3 complaints per 1,000
    policies. If a total of 375 complaints were filed that
    year, how many policies did the company have?
    [Section 5.2]


44. SCALE DRAWINGS On the scale drawing below,
    -inch represents an actual length of 3 feet. The
    length of the house on the drawing is inches. What
    is the actual length of the house?[Section 5.2]


45. Make each conversion.[Section 5.3]
    a. Convert 168 inches to feet.
    b. Convert 212 ounces to pounds.
    c. Convert 30 gallons to quarts.
    d. Convert 12.5 hours to minutes.


46. Make each conversion.[Section 5.4]
    a. Convert 1.538 kilograms to grams
    b. Convert 500 milliliters to liters.
    c. Convert 0.3 centimeters to kilometers.

BEDROOM BEDROOM

STUDY BATH

LIVING DINING

KITCHEN

ENTRY

Scale in. : 3 ft

CLO

CLO

CLO

CLO HALL

UTILITY

-^1
4

(^614)
14
x
14



13

28

47. THE AMAZON The Amazon River enters the
    Atlantic Ocean through a broad estuary, roughly
    estimated at 240,000 m in width. Convert the width to
    kilometers.[Section 5.4]


48. OCEAN LINERS When it was making cruises from
    England to America, the Queen Marygot 13 feet to
    the gallon.[Section 5.5]
    a. How many meters a gallon is this?
    b. The fuel capacity of the ship was 3,000,000 gallons.
    How many liters is this?


49. COOKING What is the weight of a 10-pound ham in
    kilograms?[Section 5.5]


50. Convert 75°C to degrees Fahrenheit.[Section 5.5]


51. Complete the table.[Section 6.1]

840 Chapter 9 Cumulative Review

52. Refer to the figure on the
    right.[Section 6.1]
    a. What percent of the figure
    is shaded?
    b. What percent is not
    shaded?


53. What number is 15% of 450?[Section 6.2]


54. 24.6 is 20.5% of what number?[Section 6.2]


55. 51 is what percent of 60?[Section 6.2]


56. CLOTHING SALES Find the amount of the
    discount and the sale price of the coat shown below.
    [Section 6.3]

Genuine leather

Regularly

$820^00

Save

25%

Men’s Open Range Coat

Winter Coats

on Sale!

Percent Decimal Fraction

57%

0.001

1

3