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5-2

5-2. Rates, and Unit Rates. Course 3. Vocabulary. rate unit rate. A rate is a comparison of two quantities that have 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:.

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5-2

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  1. 5-2 Rates, and Unit Rates Course 3

  2. Vocabulary rate unit rate

  3. A rate is a comparison of two quantities that have different units. 90 3 Ratio: Read as “90 miles per 3 hours.” 90 miles 3 hours Rate:

  4. 90 3 The ratio can be simplified by dividing: 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

  5. 30 words minute 1 2 30 words • 2 minute • 2 1 2 Additional Example 1: Finding Unit Rates Fred can type 30 words in half a minute. How many words can he type in 1 minute? Write a rate. Multiply to find words per minute. 60 words 1 minute = Fred can type 60 words in one minute.

  6. 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.

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