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Rate Movie

Rate Movie. Notes. A rate is a comparison of two quantities measured in different units. 90 3. Ratio:. Read as “90 miles per 3 hours.”. 90 miles 3 hours. Rate:. 90 3. The ratio. can be simplified by dividing:. Notes. Unit rates are rates in which the second quantity is 1. 90

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Rate Movie

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  1. Rate Movie

  2. Notes A rate is a comparison of two quantities measured in different units. 90 3 Ratio: Read as “90 miles per 3 hours.” 90 miles 3 hours Rate:

  3. 90 3 The ratio can be simplified by dividing: Notes Unit rates are rates in which the second quantity is 1. 90 3 30 1 = 30 miles, 1 hour unit rate: or 30 mi/h

  4. Check It Out! Example 1 Penelope can type 90 words in 2 minutes. How many words can she type in 1 minute? 90 words 2 minutes Write a rate. Divide to find words per minute. 90 words ÷ 2 2 minutes ÷ 2 45 words 1 minute = Penelope can type 45 words in one minute.

  5. Unit price is a unit rate used to compare price per item.

  6. Additional Example 4A: Finding Unit Prices to Compare Costs Pens can be purchased in a 5-pack for $1.95 or a 15-pack for $6.20. Which pack has the lower unit price? Divide the price by the number of pens. price for package number of pens $1.95 5 = = $0.39 price for package number of pens $6.20 15 =  $0.41 The 5-pack for $1.95 has the lower unit price.

  7. price for bottle number of ounces price for bottle number of ounces Check It Out!Example 4B John can buy a 24 oz bottle of ketchup for $2.19 or a 36 oz bottle for $3.79. Which bottle has the lower unit price? Divide the price by the number of ounces. $2.19 24 =  $0.09 $3.79 36 =  $0.11 The 24 oz jar for $2.19 has the lower unit price.

  8. Lesson Quick Check: 1. Meka can make 6 bracelets per half hour. How many bracelets can she make per hour? 2. $2.52 for 6 stamps. How much for just 1 stamp? 3. 18 heartbeats in 6 seconds. How many heartbeats in just 1 second?

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