Basic Mathematics for College Students

79. BUDGETS Refer to the circle graph below that
    shows a monthly budget for a family. Write each
    ratio in simplest form.
    a. Find the total amount for the monthly
    budget.
    b. Write the ratio of the amount budgeted for rent to
    the total budget.
    c. Write the ratio of the amount budgeted for food
    to the total budget.
    d. Write the ratio of the amount budgeted for the
    phone to the total budget.


80. TAXES Refer to the list of tax deductions shown
    below. Write each ratio in simplest form.
    a. Write the ratio of the real estate tax deduction to
    the total deductions.
    b. Write the ratio of the charitable contributions to
    the total deductions.
    c. Write the ratio of the mortgage interest deduction
    to the union dues deduction.

Phone

$100

Food

$600

Rent

$800

Utilities

$120

Entertainment

$80

Transportation

$100

81. ART HISTORY Leonardo da Vinci drew the human
    figure shown within a square. Write the ratio of the
    length of the man’s outstretched arms to his height.
    (Hint:All four sides of a square are the same length.)


82. FLAGS The checkered flag is composed of 24 equal-
    sized squares. What is the ratio of the width of the
    flag to its length? (Hint:All four sides of a square are
    the same length.)


83. BANKRUPTCY After declaring bankruptcy, a
    company could pay its creditors only 5¢ on the dollar.
    Write this as a ratio in simplest form.


84. EGGS An average-sized ostrich egg weighs 3 pounds
    and an average-sized chicken egg weighs 2 ounces.
    Write the ratio of the weight of an ostrich egg to the
    weight of a chicken egg in simplest form.


85. CPR A paramedic performed 125 compressions to 50
    breaths on an adult with no pulse. What compressions-
    to-breaths rate did the paramedic use?


86. FACULTY–STUDENT RATIOS At a college, there
    are 125 faculty members and 2,000 students. Find the
    rate of faculty to students. (This is often referred to as
    the faculty–student ratio, even though the units are
    different.)


87. AIRLINE COMPLAINTS An airline had 3.29
    complaints for every 1,000 passengers. Write this as a
    rate of whole numbers.

426 Chapter 5 Ratio, Proportion, and Measurement

Item Amount

Medical expenses $875

Real estate taxes $1,250

Charitable contributions $1,750

Mortgage interest $4,375

Union dues $500

Total deductions $8,750