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# Ratios and rates

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### Ratios and rates

1. 1. Ratios and Rate<br />Section 7.1<br />
2. 2. 2<br />4<br />5<br />
3. 3. Looking at the table we just completed. What did we create between the length of a side and the perimeter?<br />
4. 4. Ratio: A comparison of two numbers using division<br />Baseball Wins<br />Phillies 23<br />Yankees 14<br />What is the ratio between win by Phils and Yanks?<br />
5. 5. Example 1: A ski resort has 15 easy, 25 intermediate, 7 difficult, and 11 expert trails. <br />Write the ratio "intermediate trails: easy trails" in three ways.<br />
6. 6. Rate: is a ratio of two quantities that have different units.<br />Think to yourself what are some rates you have experienced or used.<br />
7. 7. Finding an equivalent rate:<br />Lightning strikes about 100 time per second around the world. About how many times does lightning strike per minute around the world?<br />A water pump moves 2 gallons of water per second. How many gallons of water are pumped per minute? Write your answer as a rate.<br />
8. 8. Unit Rate: rate that has a denominator of 1 unit. <br />1. Write -24 ft per 5 sec as a unit rate. <br />2. Linzell scored 114 points over 6 games. Put in unit rate.<br />3. Mike's restaurant served 365 people over 5 days. How many people per day.<br />4. Omaris's care drives 329 miles using only 10 gallons of gas. <br />