1. SECTION
6-4
Comparison Shopping pp

2. Example 1
Peppermint mocha java chip frappuccino with whip cream on the top and the bottom, blended twice are sold in three sizes.
The price of an 12-ounce (Tall) is $3.30.
The price of a 16-ounce (Grande) is $3.80.
The price of a 20-ounce (Venti) is $4.30.
Based on price alone, which drink is the best buy?

3. Example 1 Answer: Step 1 Find the unit price for each item.
Price per Item ÷ Measure or Count
12-ounce : $3.30 ÷ 12 = $0.275
$0.275 × 100 = 27.5¢ per ounce

4. Example 1 Answer: Step 1 (cont.)
16-ounce : $3.80 ÷ 16 = $0.2375
$ × 100 =23.75¢ per ounce
20-ounce : $4.30 ÷ 20 = $0.215
$0.215 × 100 = 21.5¢ per ounce

5. Example 1 Answer: Step 2 Find the best buy.
Compare: 27.5¢, 23.75¢, and 21.5¢ per ounce
21.5¢ is the best buy.

6. : #1-18