Basic Mathematics for College Students

29. CLASS TIME In a chemistry course, students
    spend a total of 300 minutes in lab and lecture
    each week. If of the time is spent in lab each
    week, how many minutes are spent in lecture
    each week?[Section 3.3]


30. Divide: [Section 3.5]


31. TENNIS Find the length of the handle on the tennis
    racquet shown below.[Section 3.6]


32. Evaluate the formula for
    .[Section 3.7]


33. Simplify the complex fraction: [Section 3.7]


34. Write as a decimal.
    [Section 4.1]


35. CHECKBOOKS Find the total dollar amount of
    checks written in the register shown below.
    [Section 4.2]


36. Perform each operation in your head.[Section 4.3]
    a. Multiply:
    b. Divide:

Perform each operation.

37. Subtract: [Section 4.2]


38. Multiply: (0.31)(2.4)[Section 4.3]


39. Divide: [Section 4.4]


40. Divide: 4 0.073[Section 4.4]

0.72536.4

760.2

 614.7

3.4510,000

3.45 100

DATE NUMBERCHECK

(•)

AMOUNT OF

PAYMENT OR

DEBIT

T

TRANSACTION

DESCRIPTION

TO:

FOR:

TO:

FOR:

TO:

FOR:

TO:

FOR:

400  20  8  109  1001



1

5

8

15

b 5 21 , and h 281

A 21 h(ab) a 4 21 ,

26 in.

191 – 4 in.

2

4

5

a 2

2

3

b

7

15

41. Write as a decimal.[Section 4.5]


42. Evaluate:
    [Section 4.6]


43. Express the phrase “8 feet to 4 yards” as a ratio in
    simplest form.[Section 5.1]


44. CLOTHES SHOPPING As part of a summer
    clearance, a women’s store put turtleneck sweaters on
    sale, 3 for $35.97. How much will five turtleneck
    sweaters cost?[Section 5.2]


45. Solve the proportion: [Section 5.2]


46. Convert 8 pints to fluid ounces.[Section 5.3]


47. Convert 640 centimeters to meters.[Section 5.4]


48. Convert 67.7°F to degrees Celsius. Round to the
    nearest tenth.[Section 5.5]


49. Complete the table below.[Section 6.1]


50. 90 is what percent of 525? Round to the nearest one
    percent.[Section 6.2]


51. What number is 105% of 23.2?[Section 6.2]


52. 19.2 is % of what number?[Section 6.2]


53. SALES TAX Find the sales tax on a purchase of
    $98.95 if the sales tax rate is 8%.[Section 6.3]


54. SELLING ELECTRONICS If the commission on a
    $1,500 laptop computer is $240, what is the
    commission rate?[Section 6.3]


55. TIPPING Estimate the 15% tip on a $77.55 dinner
    bill.[Section 6.4]


56. REMODELING A homeowner borrows $18,000 to
    pay for a kitchen remodeling project. The terms of
    the loan are 9.2% simple interest and repayment in
    2 years. How much interest will be paid on the loan?
    [Section 6.5]


57. LOANS $12,600 is loaned at a simple interest rate of
    18%. Find the total amount that must be repaid at the
    end of a 90-day period.[Section 6.5]

(^33 13)

7

8

1

2



1

4

x

15  216 C 52  129  2224 D

8

11

634 Chapter 7 Cumulative Review

Fraction Decimal Percent

3%

0.041

9

4