the real cost when you save to make a big purchase, be sure to consider the sales tax you will have...

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The Real Cost When you save to make a big purchase, be sure to consider the sales tax you will have to pay. Have you ever paid sales tax?

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Page 1: The Real Cost When you save to make a big purchase, be sure to consider the sales tax you will have to pay. Have you ever paid sales tax?

The Real Cost

When you save to make a big purchase, be sure to consider the sales tax you will have to pay.

Have you ever paid sales tax?

Page 2: The Real Cost When you save to make a big purchase, be sure to consider the sales tax you will have to pay. Have you ever paid sales tax?

Lesson Objective

Find the best buy based on unit price.

Content Vocabulary

comparison shopping comparison pricing

Comparing prices to find the best value.

comparison pricing

Comparing prices to find the best value.

Page 3: The Real Cost When you save to make a big purchase, be sure to consider the sales tax you will have to pay. Have you ever paid sales tax?
Page 4: The Real Cost When you save to make a big purchase, be sure to consider the sales tax you will have to pay. Have you ever paid sales tax?

Oatmeal is sold in three sizes. The price of an 18-ounce package is $1.86. The price of a 42-ounce package is $3.17. The price of a 112-ounce package is $6.29.

Based on price alone, which package is the best buy?

Example 1Example 1

Page 5: The Real Cost When you save to make a big purchase, be sure to consider the sales tax you will have to pay. Have you ever paid sales tax?

Find the unit price for each item.

Price per Item ÷ Measure or Count

18-ounce package: $1.86 ÷ 18 = $0.10333

$0.10333 × 100 = 10.33¢ per ounce

Example 1 Answer: Example 1 Answer: Step 1Step 1

Page 6: The Real Cost When you save to make a big purchase, be sure to consider the sales tax you will have to pay. Have you ever paid sales tax?

42-ounce package: $3.17 ÷ 42 = $0.07547

$0.07547 × 100 = 7.55¢ per ounce

112-ounce package: $6.29 ÷ 112 = $0.05616

$0.05616 × 100 = 5.62¢ per ounce

Example 1 Answer: Example 1 Answer: Step 1 (cont.)Step 1 (cont.)

Page 7: The Real Cost When you save to make a big purchase, be sure to consider the sales tax you will have to pay. Have you ever paid sales tax?

Find the best buy.

Compare: 10.33¢, 7.55¢, and 5.62¢ per ounce

The 112 ounce package at 5.62¢ per ounce is the best buy.

Example 1 Answer: Example 1 Answer: Step 2Step 2

Page 8: The Real Cost When you save to make a big purchase, be sure to consider the sales tax you will have to pay. Have you ever paid sales tax?

Bounce fabric softener sheets are sold in an 80-count box for $3.17, a 120-count box for $4.44, and a 160-count box for $6.24.

What is the unit price for each?

Which is the best buy?

Practice 1Practice 1

Page 9: The Real Cost When you save to make a big purchase, be sure to consider the sales tax you will have to pay. Have you ever paid sales tax?

$3.17 ÷ 80 = $0.039625 = 3.96¢ per sheet$4.44 ÷ 120 = $0.037 = 3.7¢ per sheet$6.24 ÷ 160 = $0.039 = 3.9¢ per sheet

The 120-count size is the best buy.

Practice 1 AnswerPractice 1 Answer