Basic Mathematics for College Students

25. HARDWARE Find the length of the wood screw
    shown below.[Section 3.4]


26. Multiply: [Section 3.5]


27. MOTORS What is the difference in horsepower (hp)
    between the two motors shown?[Section 3.6]


28. Simplify: [Section 3.7]


29. Place an or symbol in the box to make a true
    statement.[Section 4.1]


30. Graph , 2.25,0.5, ,3.2, and on a number
    line.[Section 4.1]


31. Add: [Section 4.2]


32. Subtract: [Section 4.2]


33. Multiply: [Section 4.3]


34. AQUARIUMS One gallon of water weighs
    8.33 pounds. What is the weight of the water
    in an aquarium that holds 55 gallons of water?
    [Section 4.3]

2.5 100

8.0815.3

20.042.4

− 5 − 4 − 3 − 2 −10 12 34 5

 134 118 29

64.22 64.238

4 

3

4

 1

7

8

Keyed shaft Thru bolt mount

1 hp^1 – 2 hp^3 – 4

 15

1

3

a

9

20

b

Head: in.

Shank:

Thread:

––^5

32

––^5 in.

16

(^1) – in.
2

35. Divide: [Section 4.4]


36. Evaluate the formula for and
    .[Section 4.4]


37. Write as a decimal.[Section 4.5]


38. LUNCH MEATS A shopper purchased pound
    of barbequed beef, priced at $8.60 per pound, and
    pound of ham, selling for $5.25 per pound. Find
    the total cost of these items.[Section 4.5]


39. Evaluate: [Section 4.6]


40. Express the phrase “3 inches to 15 inches” as a ratio
    in simplest form.[Section 5.1]


41. BUILDING MATERIALS Which is the better buy:
    a 94-pound bag of cement for $4.48 or a 100-pound
    bag of cement for $4.80? [Section 5.1]


42. Determine whether the proportion is true or
    false.[Section 5.2]


43. CAFFEINE There are 55 milligrams of caffeine in
    12 ounces of Mountain Dew. How many milligrams of
    caffeine are there in a super-size 44-ounce cup
    of Mountain Dew? Round to the nearest milligram.
    [Section 5.2]


44. Solve the proportion: [Section 5.2]


45. SURVIVAL GUIDE[Section 5.3]
    a. A person can go without food for about 40 days.
    How many hours is this?
    b. A person can go without water for about 3 days.
    How many minutes is that?
    c. A person can go without breathing oxygen
    for about 8 minutes. How many seconds is
    that?


46. Convert 40 ounces to pounds.[Section 5.3]


47. Convert 2.4 meters to millimeters.[Section 5.4]


48. Convert 320 grams to kilograms.[Section 5.4]


49. a. Which holds more: a 2-liter bottle
    or a 1-gallon bottle? [Section 5.5]
    b. Which is longer: a meterstick or a
    yardstick?


50. BELTS A leather belt made in Mexico is
    92 centimeters long. Express the length of
    the belt to the nearest inch.[Section 5.5]

x

3



35

7

25

33 

12

17

3225  424

2

3

3

4

1

12

r8.5

tdr d107.95

2.5

100

Chapter 5 Cumulative Review 497