Basic Mathematics for College Students

(Nandana) #1

  1. AUTO CARE Refer to the advertisement below.
    Find the discount, the sale price, and the discount rate
    on the car waxing kit.

  2. TOWEL SALES Find the amount of the discount on
    a beach towel if it regularly sells for $20, but is on sale
    for 33% off. Then find the sale price of the towel.

  3. Fill in the blanks.
    a. To find 1% of a number, move the decimal point
    in the number places to the.
    b. To find 10% of a number, move the decimal point
    in the number place to the.

  4. Estimate each answer. (Answers may vary.)
    a. What is 20% of 396?
    b. What is 50% of 6,189,034?
    c. What is 200% of 21.2?

  5. BRAKE INSPECTIONS Of the 1,920 trucks
    inspected at a safety checkpoint, 5% had problems
    with their brakes. Estimate the number of trucks that
    had brake problems?


SAVE! SAVE! SAVE! SAVE!
CAR WAX KIT
$9 OFF
Regularly $75.00


  1. TIPPING Estimate the amount of a 15% tip on a
    lunch costing $28.40.

  2. CAR SHOWS 24% of 63,400 people that attended a
    five-day car show were female. Estimate the number
    of females that attended the car show.

  3. INTEREST CHARGES Find the simple interest on
    a loan of $3,000 at 5% per year for 1 year.

  4. INVESTMENTS If $23,000 is invested at
    simple interest for 5 years, what will be the total
    amount of money in the investment account at the
    end of the 5 years?

  5. SHORT-TERM LOANS Find the simple interest on
    a loan of $2,000 borrowed at 8% for 90 days.

  6. Use the formula to find the amount


of interest earned on an investment of $24,000 paying
an annual rate of 6.4% interest, compounded daily
for 3 years.

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