The Mathematics of Money

(Darren Dugan) #1

  1. Complete the following table by fi lling in the markdown amount and percent based on the given original and
    marked-down prices.


Item Original Price Marked-Down Price Markdown Amount Markdown Percent

A $74.99 $49.99
B $249.95 $239.99
C $8.00 $5.00


  1. Complete the following table by fi lling in the markdown percent based on the given original and marked-down prices.


Item Original Price Marked-Down Price Markdown Percent

A $37.99 $27.99
B $11,036 $9,999
C $19.99 $3.99


  1. A home theater system that normally sells for $299.95 is offered on sale for $189.99. Find the percent markdown.

  2. A women’s sweatshirt that normally sells for $19.95 is put on sale for $12.95. What is the markdown percent?

  3. A mechanic charges $629.99 for a complete brake job. You have a coupon from the phone book for $50 off any
    service over $250. What percent markdown would using this coupon represent?


C. “Prices” That Aren’t Really Prices



  1. Zarofi re Systems presently employs 1,875 people in its Allegany City headquarters. A story in the local paper quotes
    the company’s president as saying that Zarofi re intends to increase its headquarters workforce by 18% next year. How
    many new jobs are being created?

  2. A newspaper advertising executive claims that her paper had 175,000 readers every day last year, and the number will
    increase by 8% this year. How many daily readers is she claiming for this year?

  3. The Marchand Valley Wind Farm had 315 megawatts of installed electric generation capacity in 2003. By 2007,
    installed capacity had grown by 120%. What was the capacity in 2007?

  4. An electronics store sold 18,547 videocassettes last year. This year, it expects sales to decline by 17.5%. How many
    does it expect to sell this year?

  5. The property tax rate in Appaloossa Falls was $56.05 per thousand dollars of assessed value in 2005. In his reelection
    campaign, the mayor proudly claimed an 8.5% reduction in the property tax rate in 2006. What was the 2006 rate?

  6. Full time enrollment at Devonshire Community College was 4,250 full-time students this year, a 23% increase over
    5 years ago. What was the full time enrollment 5 years ago?


340 Chapter 8 Mathematics of Pricing

Free download pdf