The Mathematics of Money

(Darren Dugan) #1

  1. Complete the following table by fi lling in the markup amount and percent based on the given costs and retail prices.


Item Cost Retail Price Markup Amount Markup Percent

A $74.27 $99.99
B $4.22 $12.99
C $834.17 $949.90


  1. A travel agency applies a 10% markup to airline tickets that they book. If you paid $399.73 for a plane ticket to Las
    Vegas, what was the travel agency’s cost? How much was the agency’s markup?

  2. An appliance store offers a new washing machine for $799.95. The store’s cost is $597.03 for this machine. Determine
    the amount of markup, and determine the markup percent.

  3. An employment agency pays a temp computer programmer $18 per hour, and bills the company where she works
    $22.50 an hour. Find the agency’s markup percent.


B. Markdown


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


Item Cost Markdown Percent Markdown Amount Marked-Down Price

A $249.97 35%
B $19.95 10%
C $75.00 16%


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


Item Cost Markdown Percent Marked-Down Price

A $79.95 12.5%
B $9.50 30%
C $29.29 85%


  1. A laptop computer that normally sells for $799.95 is marked down by 12%. Find the sale price.

  2. A pet supply store normally charges $49.95 for a 37-pound bag of dog kibble. The store is having a 20% off sale. Find
    the sale price for this bag of dog food.

  3. The list price of a new Jiangxi Motors Model J car is $29,925. A dealer is advertising an end-of-model-year sale, with
    prices marked down 9.5% from list. Find the sale price of this car, and also the amount of the markdown.

  4. A restaurant offered a “15% off your total bill” coupon. If you and some friends went out to this restaurant for dinner
    and the total bill came to $79.46, how much would this coupon save you? What would your bill be after using the
    coupon?


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Exercises 8.1 339
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