1. Ratios and Rate Section 7.1

2. 2 4 5

3. Looking at the table we just completed. What did we create between the length of a side and the perimeter?

4. Ratio: A comparison of two numbers using division Baseball Wins Phillies 23 Yankees 14 What is the ratio between win by Phils and Yanks?

5. Example 1: A ski resort has 15 easy, 25 intermediate, 7 difficult, and 11 expert trails. Write the ratio "intermediate trails: easy trails" in three ways.

6. Rate: is a ratio of two quantities that have different units. Think to yourself what are some rates you have experienced or used.

7. Finding an equivalent rate: Lightning strikes about 100 time per second around the world. About how many times does lightning strike per minute around the world? 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.

8. Unit Rate: rate that has a denominator of 1 unit. 1. Write -24 ft per 5 sec as a unit rate. 2. Linzell scored 114 points over 6 games. Put in unit rate. 3. Mike's restaurant served 365 people over 5 days. How many people per day. 4. Omaris's care drives 329 miles using only 10 gallons of gas.