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# Better Buys! - PowerPoint PPT Presentation

Better Buys! . Objective: Learn to make comparisons and identify which one is the better buy. . Example to discuss: Alberto wants to buy flowers for his girlfriend .

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Presentation Transcript

Objective:

Learn to make comparisons and identify which one is the better buy.

Alberto wants to buy flowers for his girlfriend.

He goes to Montseflower shop and they charge him \$42 for 2 dozen roses. He finds it expensive so he goes to Evelyn’s Flower shop and they charge him \$50 dollars for 3 dozen roses. Find the unit price, then determine which option is the better buy.

Steps: 1. Write the rate from the problem.

2. Find the unit rate.

3. Circle the option that is the better buy.

Hint: Whichever is the cheaper of the two will be the better buy.

\$42 = ? Or \$50 = __?___

2 dozen 1 dozen 3 dozen 1 dozen

roses rosesrosesroses

• Use unit prices to find the better buy.

• Soda: 6 bottles for \$2.16 or 8 bottles for \$2.96.

• Cheese: \$2.80 for 12 slices or \$4.36 for 24 slices.

Homework: Write each expression as a rate. Find the unit rate, then determine which is the better buy.