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Better Buys! Objective:
Learn to make comparisons and identify which one is the better buy.
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Example to discuss: Luis wants to buy flowers for his mother’s birthday. He goes to Montse flower 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 of 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. Montse Flower Shop: Evelyn’s Flower Shop: $42 = ? Or $50 = __?___ 2 dozen 1 dozen 3 dozen 1 dozen roses roses roses roses
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Your example Use unit prices to find the better buy.
Soda: 2 liters for $3.33 or 4 liters for $5.00 Pencils: 10 pencils for $4.00, or 6 pencils for $2.70 ?
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Homework: Write each expression as a rate. Find the unit rate
Homework: Write each expression as a rate. Find the unit rate. Then determine which is the better buy. Comic books: $100 for 20 books or $54 for 12 books. Tickets for the Turno: $5.00 for 12 tickets or $25.00 dollars for 50 tickets. Tissue paper: $3.50 for 2 boxes or $9.00 for 5 boxes. Shoes: $160 for 3 pair of shoes or $500 for 10 pairs. 5. Hershey's chocolates: $6.00 for 2 bags or $12 dollars for 5 bags.
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