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Warm Up Divide . Round answers to the nearest tenth. 1. 2. 3. 4. 5. Solve the proportion:

73 21. 420 18. 380 16. 430 18. Warm Up Divide . Round answers to the nearest tenth. 1. 2. 3. 4. 5. Solve the proportion:. 3.5. 23.3. 23.9. 23.8. 50(17) = 85p 850 = 85p 10 = p. Homework Review Tonights HW: 5.5 pg. 49. 6 9. n 24. n 12. 45 18. =. =. Lesson Quiz.

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Warm Up Divide . Round answers to the nearest tenth. 1. 2. 3. 4. 5. Solve the proportion:

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  1. 73 21 420 18 380 16 430 18 Warm Up Divide. Round answers to the nearest tenth. 1.2. 3.4. 5. Solve the proportion: 3.5 23.3 23.9 23.8 50(17) = 85p 850 = 85p 10 = p

  2. Homework Review Tonights HW: 5.5 pg. 49

  3. 6 9 n 24 n 12 45 18 = = Lesson Quiz Solve each proportion. 1. n = 30 2. n = 16

  4. Students will be able to compute unit rates in order to: Determine the average speed of travel. Get the best buy. Examine beauty.

  5. Rate: A comparison of two quantities that have different units. Maximum Speed: 1335 miles per 5 hours. 1335 miles5 hours BugattiVeyron: Fastest car in the world according to www.the supercars.org

  6. Unit Rate: Rate in which the second quantity is one. Maximum Speed: 267 miles per 1 hours. 267 miles1 hour BugattiVeyron: Fastest car in the world according to www.the supercars.org

  7. In order to find the unit rate…. Rate Unit Rate 1335 miles5 hours 267 miles1 hour divide the numerator by the denominator.

  8. How fast does the second fastest car go if it travels 771 miles per 3 hours? 257 miles per hour

  9. 356 mi 2 h = A driver is competing in a 500-mile auto race. In the first 2 hours of the race, the driver travels 356 miles. What is the driver's average speed? = 178 mi/h Divide to find the unit rate. The driver's average speed is 178 mi/h.

  10. Find Unit Rates $60 for 15 hours. 400 words in 10 minutes 30 students for 3 computers. 330 miles in 6 hours. 800 meters in 25 seconds. $4 per hour 40 words per minute 10 students per computer 55 minutes per hour 32 meters per second

  11. Unit Price It’s all about bargain shopping Unit price is a unit rate used to compare price per item.

  12. Which is the better buy?

  13. price for jar number of ounces price for jar number of ounces Finding Unit Prices to Compare Costs Jamie can buy a 15-oz jar of peanut butter for $2.19 or a 20-oz jar for $2.78. Which is the better buy? Divide the price by the number of ounces. $2.19 15 =  $0.15 $2.78 20 =  $0.14 The better buy is the 20-oz jar for $2.78.

  14. Golf balls can be purchased in a 3-pack for $4.95 or a 12-pack for $18.95. Which is the better buy? Divide the price by the number of balls. price for package number of balls $4.95 3 =  $1.65 price for package number of balls $18.95 12  = $1.58 The better buy is the 12-pack for $18.95.

  15. Determine the better buy. 1) A half dozen carnations for $4.75 or a dozen for $9.24 2) 15 collector cards for $2.75 or 80 for $13.00 3) 16 oz box of cereal for $3.49 or a 6 oz box of cereal for $1.25 a dozen for $9.24 80 for $13 6 oz box for $1.25

  16. Try These! 1. Jacob can buy a 32 oz bottle of BBQ sauce for $2.93 or a 36 oz bottle for $3.19. Which is the better buy? 36 oz 8 pencils $3.57 $52.67 148.25 f 2. John can buy a 8 pencils for $1.25 or a 12 pencils for $2.00. Which is the better buy? 3. Mary made $25.00 for working 7 hours at the mall. How much did Mary make per hour? 4. Lisa paid $158.00 for 3 pair of jeans. What did Lisa pay for each pair of jeans? 5. Bob typed 593 words in 4 minutes. How many words did Bob type per minute?

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